Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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identifying representative samples alana and ramiro are writing an arti…
Ramiro's method is likely to result in a biased sample.
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which is a distinguishing feature of claims? (1 point) ○ they are meant…
C. They are debatable or arguable.
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diego took a survey to find out how many students plan to go to a schoo…
- His sample will probably be biased. - His sample will probably be invalid.
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(in hours) (a) for these 25 students, as the time spent texting increas…
(a) decrease (b) a strong negative (c) 5 hours
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supongamos que la relación s se define de la siguiente manera. s = {(-9…
dominio: $\{-9, 0, 7\}$ rango: $\{-7, -6, 1, 7\}$
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corey has a part - time job at an ice skating rink selling hot cocoa. h…
# Explanation: ## Step1: Find the slope of the line We use two points on the line of best fit, say \((0, 100)\) and \((6, 96)\). The slope \(m\) is calculated as \(m=\frac{y_2 - y…
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designing an appropriate sampling method suppose you want to know wheth…
First, get a complete list of all eighth-grade music students at the school. Then, assign each student a unique number and use a random number generator to pick a subset of studen…
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evaluating survey methods maridel wants to find out how many of her cla…
Her method will produce a valid sample. Her method will produce a random sample. Her method will produce a representative sample.
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select the symbol that makes each statement true. a. 5.62 select choice…
a. \(5.62 < 5.8\) b. \(73.1 > 69.6\) c. \(-3.4 < -1.5\)
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your friend 8. model real life you have 3 karate belts. newton has 1 le…
Newton ### Question 9
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identifying bias cheryl wants to find the number of hours seventh - gra…
The sample is biased because: 1. It excludes seventh-grade boys, who are part of the target population of seventh-graders. 2. It includes girls from other grades, who are not part…
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(4.5 × 10⁶) ÷ (300) = □ 1.5 × 10⁶ 1,500 150 1.5 × 10⁻²
150
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2 the word magnitude has several meanings. match each definition o \lar…
1. Large quantity or amount → Image of a school of fish 2. Great strength or impact → Image of a hurricane 3. Large size → Image of an elephant
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passage 1 passage 2 1927 and you decide to take a nap!” mama, who rarel…
Until this morning, Anna hadn't heard of talkies either, but now she knew that they were a new kind of movie that would have actors and actresses talking.
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the table shows the relationship between the number of minutes that a h…
The relationship is multiplicative because the number of gallons can be found by multiplying the number of minutes by 8.
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when searching for the connotations of the words in \the caged bird,\ t…
the feeling or idea associated with the word.
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to determine how a city’s residents feel about building a new youth cen…
- The sample ignores the adult portion of the city's residents. - Children are probably more likely to be in favor of a new youth center. - The sample does not include children in…
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which choice describes a morpheme? (1 point) a morpheme supplies the ma…
C. A morpheme is a small unit that has its own meaning.
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the owner of a chain of 12 restaurants wants to conduct a survey to det…
1. non-random and biased 2. random and unbiased
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look at the frame from one war ends, another begins. read the excerpt f…
B. Both demonstrate that Clara encouraged others to serve.
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kareem wants to find the number of hours the average sixth - grader at …
He can randomly survey 50 sixth-graders in the school.
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bonus punctuation review: complete the light red boxes for up to 9 bonu…
To solve this punctuation review, we analyze each punctuation mark: ### Colon (:) - **Purpose**: To introduce a list, explanation, or clarification. - Example matches (introduces …
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maria wants to determine which student is favored for president of the …
- Surveying the boys in the freshman class. - Surveying all the students in her math class. - Surveying the students in the chess club.
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question 4 of 5 passage ii guitars and social media whatever happened t…
D. Yes, because the writer suggests that learning guitar can lead to more personal fulfillment than social media.
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as the din of voices in the room swelled, carleen began to belt out a s…
voices in the room swelled
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identify the mean of each distribution. distribution a mean = distribut…
Distribution A Mean = 50 Distribution B Mean = 100 Distribution C Mean = 200
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the probability that an employee of a company travels more than 10 mile…
\(\frac{1}{6}\) (corresponding to the option with \(\frac{1}{6}\))
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consider the data of categories and groups. what are the relative frequ…
Relative Frequencies of the Rows: - Category A: Group 1 \(0.5\), Group 2 \(0.5\) - Category B: Group 1 \(0.375\), Group 2 \(0.625\) - Category C: Group 1 \(0.6\), Group 2 \(0.4\)
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what are the relative frequencies of the rows and columns? enter the fr…
### Relative Frequencies of the Rows | | Group 1 | Group 2 | |-----------|---------|---------| | Category A| \(\frac{2}{5}\) | \(\frac{3}{5}\) | | Category B| \(\frac{19}{35}\) | …
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consider the data of categories and groups. what are the relative frequ…
### Relative Frequencies of the Rows | | Group 1 | Group 2 | |----------|---------|---------| | Category A | \(\frac{2}{5}\) | \(\frac{3}{5}\) | | Category B | \(\frac{19}{35}\) |…
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drag the choices into the boxes to create a two - way table that repres…
| | Plays one instrument | Plays more than one instrument | |----------|----------------------|--------------------------------| | Boys | 14 | 4 | | Girls | 7 | 5 |
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drag the choices into the boxes to create a two - way table that repres…
| | Wins | Losses | |----------|------|--------| | French Open | 43 | 11 | | U.S. Open | 56 | 6 | (To fill the boxes: French Open - Wins box: 43; French Open - Losses box: 11; U.S…
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what is the correct meaning of the word etiquette? questions to ask whi…
rules thought of as correct and acceptable
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what does the prefix hydro- mean in the word hydroplane? we rode across…
water
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drag the answers into the boxes to match them with the appropriate ques…
- What proportion of men prefer action movies? → 0.66 - What proportion of women prefer action movies? → 0.34 - Based on the data does it seem there is an association between gend…
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reread paragraphs 6 and 7 from passage 2 the word illiteracy comes from…
Students must have a solid foundation in computation or be at risk for mathematical illiteracy for the rest of their lives.
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5 which of the following graphs best shows a strong negative associatio…
D ### Question 6
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name date: lets name the functions that relate the weight of the star b…
### Completed Chart: | | Circle Baby | Star Baby | |---|---|---| | a. weight of the baby at 1 month | $c(1)=7$ | $s(1)=8$ | | b. weight of the baby at 3 months | $c(3)=10$ | $s(3)…
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for each given standard deviation, enter the letter of the correspondin…
$0$ = A $0.7071$ = C $2.278$ = D $11.18$ = B $26.926$ = E
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6. emma is 12 miles from her home. she rides her bike 10 miles in 60 mi…
(Part A Sketch Description): - The graph starts at (0, 12), has a line decreasing to (60, 2), a horizontal line to (75, 2), and then a line decreasing to (100, 0).
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1 john runs at different speeds as part of his training program. the gr…
B. Between 40 and 60 minutes ### Question 2
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6. emma is 12 miles from her home. she rides her bike 10 miles in 60 mi…
- **Y - Intercept**: \( (0, 12) \). This means at the start of her trip (0 minutes), Emma is 12 miles from her home (the library is 12 miles from her home). - **X - Intercept**: \…
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the following table of values represents the cost of ordering t - shirt…
A. $m = \frac{200 - 130}{40 - 20} = 3.5$
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find the probability that you will roll an even number exactly 5 times …
When rolling 20 times, the expected (average) number of even rolls is 10. Getting exactly 5 even rolls is far below this expected value, while for 10 rolls, 5 even rolls is exactl…
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according to a survey, 40% of adults watch a particular television show…
1
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p(getting exactly 7 correct) = 0.0031 p(getting exactly 8 correct) = 0.…
As the number of correct answers (number of successes) increases, the probability of achieving that exact number of successes decreases sharply, with each subsequent probability b…
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peter guesses on all 10 questions of a multiple-choice quiz. each quest…
0.0035
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\you mean, because she talks to you at school? ive seen you, walking do…
A. It shows us that they have a close relationship where they can tease each other.
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what answer choice provides the correct definition of explicit meaning?…
a meaning that is clearly explained
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informational text evidence quick check what answer choice provides the…
a meaning that must be inferred or assumed
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use long division to show that the fraction and decimal in the pair are…
By long division, we have shown that \( \frac{7}{25}=0.28 \) (the long - division steps are as follows: \( 25 \enclose{longdiv}{7.00} \), first we see that \( 25\times0 = 0 \) (fo…
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how do the first two lines of \the new colossus\ contribute to the poem…
A. They introduce an idea that the rest of the poem contrasts.
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a mighty woman with a torch, whose flame is the imprisoned lightning...…
the light in the torch held by the statue
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multiple choice 1 point what is the approximate solution to the equatio…
\(-4.797\) (the option corresponding to \(-4.797\))
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12. what merits does paris have, according to lady capulet? 13. juliet …
She says Paris is handsome, wealthy, well-connected, and a worthy match (a noble, respected man with many fine qualities). She means she will try to like Paris if seeing him makes…
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12. what merits does paris have, according to lady capulet? 13. juliet …
She says Paris is handsome, wealthy, well-connected, and a desirable match (he is a nobleman with high social standing). She means she will try to like Paris, but only if she find…
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example 2 use the binomial theorem baseball in 2016, the chicago cubs w…
- First expansion row blanks: \(_{6}C_{2}w^{4}\ell^{2}\), \(_{6}C_{5}w\ell^{5}\) - Coefficient of \(w^{5}\ell\): \(6w^{5}\ell\) - Coefficient of \(w^{3}\ell^{3}\): \(20w^{3}\ell^{…
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6. what kinds of comparisons does the servant make to indicate his prob…
8. The Nurse feels fond, protective, and affectionate toward Juliet; this is clear from her rambling, loving stories about Juliet's childhood and her eagerness to help Juliet. 9. …
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complete the conversion. ____ oz = 9 cups 9) jacksons dad bought a 2 t …
1. $72$ oz = 9 cups 2. 4000 pounds are in 2 T 3. Scott makes 10 cups of coffee 4. 48 cups are in 3 gallons
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3 find the interquartile range. number of miles run per week
3
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5. what does the word predict mean? a. remember b. guess what may happe…
B. Guess what may happen
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picture on the next page. 1 find the range of the data below. 7.5, 4.6,…
9.8 ### Problem 2: Find the range of homework grades: 98, 82, 88, 95, 65, 80, 83, 93, 90
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use the sentence to answer the question. a laptop is much more portable…
B. able to be easily carried
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which word means “the pattern of beats in a poem”? (1 point) rhythm per…
A. rhythm ### Second Question:
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which latin root means \to look\? (1 point) tract spec port mis
B. spec
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use the poem titled “can i live within your smile?” to answer the quest…
D. lyric poetry ### Second Question (Word Meaning)
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use the sentence to answer the question. the toy is not fixable, so we …
D. can be fixed
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the marketing department for a video game company determines that the w…
n = 62,475
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select the correct answer. for the given table of values for a polynomi…
A. between 3.0 and 3.5 and between 4.0 and 4.5
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to deal with growing expenses, a theme park manager needs to raise the …
1. D $20.16 2. C 25%
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1. if 170%of a number is 680, what is 50%of the number? a 180 b 200 c 3…
1. B 200 2. B $56.06 3. C $72.00
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4. a florist is told that 40% of the 350 flowers ordered must be red ro…
1. 140 red roses must be in the order. 2. The original price was discounted by approximately $17.14\%$.
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1. the college sorority delta sigma pi needs to elect a new president. …
1. $42.5\%$ 2. $\$3$ 3. $\approx 13.33\%$
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1. during a 5-year period, 2,500 babies were born in springfield. the g…
C. 25% --- ### Problem 3
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the table represents the function ( f(x) ). what is ( f(3) )? (the tabl…
9
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the students at marsh middle school raise $4,890 for a school camping t…
$\$3,000$
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4) marisol is driving 610 miles to visit her cousin. marisol stops to r…
400
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for each expression, estimate to decide whether the difference is close…
Closer to 300
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a smoothie store sells 591 mango smoothies and 378 berry smoothies. whi…
200
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zara had a negative experience making her avatar. none of the choices i…
A. unpleasant
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interpret box plot (basic) score: 3/5 penalty: 1 off question the box p…
60
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use the hints on this page to help you answer the questions. 1 which of…
1. A. "With threatening tunes and low,—" 2. B. The bolts of lightning seem to be dangerously alive.
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iro drives 50 miles/hour for 0.6 hours. kalini drives 65 miles/hour for…
A. Kalini. She drove 32.5 miles.
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identify the initial amount ( a ) and the rate of growth ( r ) (as a pe…
\( a = 1500 \) \( r = 7.4\% \) When \( t = 5 \), \( f(5) \approx 2143.1 \)
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problem 25 marcus buys supplies costing $3.50, $2.25, and $4.99. what i…
The total cost is \$10.74. ### Problem 26
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problem 10 runner a runs 12 miles in 2 hours. runner b runs 18 miles in…
Both runners are equally fast as their speeds are both 6 miles per hour. ### Problem 11
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problem 5 a car travels 60 miles in 2 hours. how many miles does it tra…
150 miles ### Problem 6
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wednesday review packet this packet will be used on wednesdays during s…
- As a fraction: $\frac{12}{8}$ (or $\frac{3}{2}$) - With a colon: $12:8$ (or $3:2$) - In words: 12 to 8 (or 3 to 2) ### Problem 2
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linear equations part 1 of 3 1 2 3 trying to earn a block of dry ice is…
1. 700 2. 30 3. The line would be steeper 4. The intercept on the vertical axis would be higher
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8. the thickness of each book is 3.8 cm and each book stand is 5.5 cm w…
1.82 meters ### Question 9
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2. harvey is reading a map of the rocky mountains. the map is drawn to …
104 ### Question 3
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which decimals are repeating? select each correct response. 0.4... 0.55…
- \(0.4...\) - \(0.\overline{6}\) - \(1.23\overline{467}\) - \(1.8978968989...\)
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4. a 180 - second song is divided into 2 sections. the ratio of the two…
\( 103 \) seconds ### Question 5
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name: period: romanticism spotlight: the scarlet letter by nathaniel ha…
The scarlet letter "A" is the chosen symbol. It first represents "Adulteress," marking Hester's public shame for her extramarital relationship. As the story progresses, it evolves…
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tammany halls leader, boss tweed, was one of the most powerful politica…
Since the problem is about interpreting a political cartoon in a historical context (Gilded Age, political machine corruption) and matching questions to context - giving answers, …
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9 systems of equations: word problem practice objective: use the desmos…
The number of 2 - pointers (\( x\)) is 7 and the number of 3 - pointers (\( y\)) is 4.
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1ft. = 12 in. 1 yd. = 3 ft. 1 yd. = 36 in. 1 mi. = 5280 ft. 1 mi. = 176…
27 ### Second Sub - Question (Number of Bracelets)
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there is only one pair of numbers that works, and as soon as you find i…
1. 0.6, 410 2. 6, 400 3. 0.3, 1.6
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for each question below, you will be given 4 numbers you will need to f…
1. 34 and 50 2. 23 and 0.6 3. 5800 and 70
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the average reading score of 17 - year - olds on certain tests is given…
D. $247 < 0.192x + 244.26 < 250$ --- To find the years, solve the inequality: ## Step1: Subtract 244.26 from all parts $247 - 244.26 < 0.192x < 250 - 244.26$ $2.74 < 0.192x < 5.74…