統計と確率
データ分析、確率分布、仮説検定、統計手法。
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an oil company is going to issue new id codes to its employees. each co…
2342560
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suppose a company needs temporary passwords for the trial of a new time…
33124
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graph the inequality below on the number line. $a \\geq 10$
1. Place a filled blue dot at the position of 10 on the number line. 2. Draw a shaded arrow extending to the right from the filled dot, covering all numbers greater than 10.
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solve proportions example \\(\\frac{a}{4}=\\frac{27}{18}\\) what do you…
9. $x=3$ 10. $x=8$ 11. $x=9$ 12. $x=70$ 13. $x=4$ 14. $x=35$ 15. $x=12.5$ 16. $x=13.5$
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what is the best definition of satire? writing that uses ridicule to dr…
writing that uses ridicule to draw attention to an issue or make a point
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question 1 1 pts qualitative research is primarily concerned with _____…
Generating meaning and understanding
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ccss 6th grade math review 10a 1. 2.17 • 0.05 = 2. \\(\\sqrt5{53.45}\\)…
\( 0.1085 \) ### Question 2: \( \sqrt[5]{53.45} \) (assuming it's division \( 53.45 \div 5 \))
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10. the function relating the cost of framing a picture y to the number…
$y=\frac{1}{4}x + 6$
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3) what is 32% of 120?\\(x = \\frac{32}{100}(\\frac{120}{1})\\)\\(x =\\)
38.4
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14. typing three students learn to type. use the table below to find th…
Chung: 42 words/min, Shana: 48 words/min, Randy: 45 words/min. Shana types the fastest. --- ### Problem 15
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what is 32% of 120? x = .32 (120) x =
38.4
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a jar contains 6 red marbles, 4 blue marbles, and 10 green marbles. if …
7/10 (corresponding to the option with 7/10)
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2) what is 15% of 4? $x = \\frac{15}{100}\\left(\\frac{4}{1}\ ight) = $…
0.6
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reorder the bars from tallest to shortest. 1. highlight the cell range …
Nominal
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a teacher has asked all the students in the class which days of the wee…
Bar graphs (the option with "Bar graphs" as text, assuming the option label is, e.g., C. Bar graphs if labeled, but based on the text, the correct choice is the one with "Bar grap…
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decimal method 1) what is 75% of 20? x = .75 (20) x =
15
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fraction method 1) what is 75% of 20? x = \\frac{75}{100}(\\frac{20}{1}…
15
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1) what is 75% of 20? fraction method x = \\frac{75}{100} \\times 20 x …
15
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fraction method 1) what is 75% of 20? x = \\frac{75}{100}(\\frac{20}{1}…
15
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the language that the author uses to describe the experiences of enslav…
The contrast in language (harsh/somber for enslaved experiences vs. personal/peaceful for burial wishes) emphasizes the dichotomy between the trauma of slavery and the speaker’s y…
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instructions construct a bar graph showing the relative frequency of ea…
False
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7. on a field trip, there are 3 chaperones for every 20 students. there…
a. 12 b. 80
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5. complete each statement. a. 20% of 60 is ______ b. 25% of ______ is …
a. 12 b. 24 c. 14 d. 45 e. 70 f. 21
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4. order from greatest to least: - 55% of 180 - 300% of 26 - 12% of 700
55% of 180, 12% of 700, 300% of 26
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1. a. to find 40% of 75, priya calculates \\(\\frac{2}{5} \\cdot 75\\).…
a. Yes, her calculation gives the correct value. 40% is equivalent to $\frac{2}{5}$, so $\frac{2}{5} \times 75 = 30$, which is the same as $0.4 \times 75 = 30$. b. Yes, $\frac{2}{…
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round to the nearest 1,000. 1,307
1000
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graph. x < 0 to draw a ray, plot an endpoint and select an arrow. selec…
To graph \( x < 0 \): 1. Place an open circle at \( x = 0 \) on the number line (since 0 is not included in the solution). 2. Draw a ray starting from the open circle at 0 and ext…
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question: 18 or 30 which of the following is the fractional representat…
Assuming the first option is \(\frac{3}{8}\) (e.g., A. 3/8), the answer is A. 3/8 (or the option corresponding to \(\frac{3}{8}\)).
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5. an ant travels at a constant rate of 30 cm every 2 minutes. a. at wh…
a. $\frac{1}{15}$ minutes per centimeter b. 15 centimeters per minute
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4. select all the expressions whose value is larger than 100. a. 120% o…
A. 120% of 100 D. 20% of 800 F. 500% of 400
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pacific northwest native american groups utilized an abundance of resou…
B. salmon
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significant figures practice worksheet how many significant figures do …
4 significant figures, precise to the nearest liter. ### 2) 3010 grams
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the domain of the function defined by the set of points below. express …
\(\{-9, -8, -7, -4, 3, 5, 9\}\)
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find the domain of the function defined by the set of points below. exp…
The domain is \(\{-5, -3, 0, 7\}\)
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question find the domain of the function defined by the set of points b…
\(\{-5, - 3,0,7\}\)
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find the range of the function defined by the set of points below. expr…
\(\{-3, -2, 2, 6\}\)
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part 3: the power of compounding use the compound interest calculator (…
4. One way: Increase his monthly contribution. A higher monthly deposit means a larger principal base for compound interest, which will grow to a much larger total over 40 years. …
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estimate the percent of the number 17. 52% of 83 18. 24% of 45
Approximately 43 (or 40, depending on rounding method; the precise value is 43.16) ### Problem 18: Estimate 24% of 45
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massachusetts 47.7 virginia 44.3 michigan 32.8 washington 38.4 minnesot…
6, 55–59.99: 3, 60–64.99: 3. So for part (a), the correct frequency for 10–14.99 is 5? Wait, no, the sum is 50, so let's recheck: 0 (0–4.99) + 1 (5–9.99) + 5 (10–14.99) + 4 (15–19…
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examples 2 and 3 3. awards the student of the month gets to choose one …
\(\frac{1}{2}\)
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examples 2 and 3 3. awards the student of the month gets to choose one …
\(\frac{1}{2}\)
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which of the following best describes a \false cognate?\ words between …
A. Words between languages that look and sound similar, but have different meanings.
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2. sales a street vendor is selling t - shirts outside of a concert are…
To determine the number of T - shirts that are blue or large, we use the principle of inclusion - exclusion for sets. The formula for \(n(A\cup B)=n(A)+n(B)-n(A\cap B)\), where \(…
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2. ellie is going to see a movie and is taking her 4 kids. each movie t…
For 7 snacks, total cost is \(\$101.5\). For \(x\) snacks, total cost is \(70 + 4.50x\) dollars.
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example 1 determine whether the events are mutually exclusive or not mu…
The events are not mutually exclusive. Because rolling a 6 (event 1) and rolling an even number (event 2) can happen simultaneously (as 6 is an even number), so they are not mutua…
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example 1 determine whether the events are mutually exclusive or not mu…
The events (rolling a 6 or rolling an even number) are not mutually exclusive because a roll of 6 is both a 6 and an even number, meaning the events can occur simultaneously.
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1. kylies math teacher finds that theres roughly a linear relationship …
B. The number of hours a student should spend on their homework to expect a score of 91 on the quiz.
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each day, salma records the number of news articles she reads. the dot …
(a) Range: 8 (b) Mode: 2
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eleven adults were asked how many different jobs they have had. their a…
(a) Range: \( 7 \) (b) Mode: \( 6 \)
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express the following fraction as a decimal and as a percentage.\\(\\fr…
Decimal: $0.125$, Percentage: $12.5\%$
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point e is located at $2.6 \\times 10^{-6}$. plot point e on the number…
To plot Point E at \(2.6\times10^{-6}\), we first recognize that \(2.6\times10^{-6}\) is \(2.6\) micro - units (where each micro - unit is \(10^{-6}\)) from \(0\). On the number l…
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single step word problems using addition subtraction within 1000 1. sar…
377 For question 2:
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does ellen spend more time on homework or sports? (pie chart with secti…
sports (the segment for sports is larger than the segment for homework in the pie chart)
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name _______________________________ dat 1. the value of y varies direc…
50
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2 lee cada problema y realiza la división que lo resuelve. a) abiel tie…
# Explicación: --- ### Ejercicio 2 ## a) Paso 1: Dividir total entre porción $\frac{12.30}{0.75} = 16.4$ ## a) Paso 2: Tomar valor entero (paquetes completos) Se descarta la parte…
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one table below shows some values of the domain and range for the funct…
(a) (i) $5$ (a) (ii) $3$ (b) $3$
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2 lee cada problema y realiza la división que lo resuelve. a) alvin tie…
# Explicación: --- ### Problemas de reparto (punto 2) ## a) ## Paso 1: Dividir total entre porción $\frac{12.50}{0.75} \approx 16.67$ ## Paso 2: Tomar valor entero inferior Se tom…
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(b) a relative frequency distribution. average precipitation (inches) r…
To solve this, we need the frequency (number of observations) in each class interval. Since the frequencies are missing, we'll assume we have a dataset with total number of observ…
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kansas 28.9 south dakota 20.1 kentucky 48.9 tennessee 54.2 louisiana 60…
The frequency distribution table is as follows: | Average Precipitation (inches) | Frequency | | --- | --- | | 0 - 4.99 | 0 | | 5 - 9.99 | 0 | | 10 - 14.99 | 2 | | 15 - 19.99 | 0 …
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13. 17% of 40
\( 6.8 \)
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quiz for lessons 5-1 through 5-6 5-1 ratios 1. a concession stand sold …
The ratio of strawberry to orange drinks is greater. ### Question 2:
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unit: scatter plots and homework 4 trend line equations apply your know…
1. $y=1.5x+60$ 2. 105 3. Approximately 26.67 minutes 4. False, correct equation: $y=-12x+100$ 5. False, about 40% of the project remains 6. False, likely spent about 7.5 days 7. 6…
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instructions read the question carefully and select the best answer. wh…
C. noun | people living outside their native country
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solve each problem. 1 jenna borrows $8,000 for college at a yearly simp…
Interest: \(\$7,200\); Total Amount: \(\$15,200\) ### Problem 2: Mike's Savings
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14. maria and daniel are running for 8th grade class president. four st…
B. 81 to 117 votes
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which of these statements is most strongly supported by the following p…
A. Former artistic traditions were not sufficient mediums through which to capture the horrors of the modern world.
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13. last year, jordan had 80 video games in his collection. now, he has…
Choice 1: B. Increased Choice 2: C. 25%
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8. thursday afternoon between 4:00 and 5:00 you spend $\frac{1}{4}$ of …
\(\frac{1}{4}\), \(35\%\), \(0.4\)
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a doctors office staff studied the waiting times for patients who arriv…
(a) | Waiting Time | Frequency | Relative Frequency | |--------------|-----------|--------------------| | 0–4 | 2 | 0.1 | | 5–9 | 10 | 0.5 | | 10–14 | 5 | 0.25 | | 15–19 | 2 | 0.1…
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write the fraction or mixed number as a percent. 4. ( 1\frac{11}{20} )
\(155\%\)
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question 4 points 2 choose the option where comma is used correctly. so…
Sometimes, Jack, can come off as a bit insensitive, but I know he means well.
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at the school carnival, students played a game where they had to guess …
1. This word has a meaning similar to guessed or predicted. → estimated 2. This word has a prefix and means "incorrectly guessed too much." → overestimated 3. This word has a pref…
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*12. sports harriets current score after two rounds in a freestyle skat…
\( 45.7 + x \geq 83.2 \) (where \( x \) is the score Harriet achieves in the remaining rounds) or \( x \geq 83.2 \) (where \( x \) is Harriet's total score). However, the more acc…
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chapter 4 test a 6.1.7 i can convert between equivalent representations…
\(\frac{3}{20}\) ### Problem 2: 240% as a mixed number
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for each of the situations below, choose the action that will make the …
Add the number of bushels harvested on Saturday and the number of bushels harvested on Sunday.
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find the following for the data shown: 1 10 21 45 50 51 53 54 67 83 99 …
### First Sub - Question: What is the percentile of the data value 67? Round to the nearest whole number. #### Explanation: To find the percentile of a data value, we use the form…
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soraya wants to sign up for a gym membership at gym club premium. she n…
Soraya paid 40 dollars just to join the gym.
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the line crosses the vertical axis at the point (0, 40). the vertical i…
0 months, she spent 40 dollars for her gym membership.
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soraya wants to sign up for a gym membership at gym club premium. she n…
The slope means that after each additional month, Soraya spends 20 more dollars for her gym membership.
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amina opens a savings account. she starts her savings account with 20 d…
20 A vertical intercept of 20 tells us that after 0 weeks, Amina had $\boldsymbol{20}$ dollars in her account.
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the line crosses the vertical axis at the point (0, 20). the vertical i…
20
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lesson check 1. tina has \\(\\frac{3}{5}\\) pound of rice. she will use…
C. $\frac{2}{5}$ pound ### Question 2
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e. the graph shows a linear relation. a) what is the approximate value …
### Part 5 (Linear Relation Graph) #### a) When \( x = 1.5 \), find \( y \)-coordinate Assume the linear equation is \( y = mx + b \). From the graph, when \( x = 0 \), \( y = -2 …
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amina opens a savings account. she starts her savings account with 20 d…
$(0, 20)$
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amina opens a savings account. she starts her savings account with 20 d…
The point (3, 65) tells us that after 3 weeks, Amina had 65 dollars in her account.
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section 2.2 - histograms, frequency polygons, and ogives question 11 of…
| Amount | Midpoints | |---------|-----------| | 7-13 | 10 | | 14-20 | 17 | | 21-27 | 24 | | 28-34 | 31 | | 35-41 | 38 |
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tajiri opens a savings account. each week he adds the same amount of mo…
The point (0, 0) tells us that after 0 weeks, Tajiri had 0 dollars in his account.
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a number machine uses a rule to change numbers. the table shows the res…
A. \( k + 12 = m \)
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tajiri opens a savings account. each week he adds the same amount of mo…
30
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section 2.2 - histograms, frequency polygons, and ogives question 8 of …
The frequency polygon is constructed by plotting the following points and connecting them in order, plus connecting to the x-axis at the start/end: (31.35, 0), (41.35, 5), (46.35,…
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tajiri opens a savings account. each week he adds the same amount of mo…
The point (2, 30) tells us that after 2 weeks Tajiri had 30 dollars in his bank account.
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tajiri opens a savings account. each week he adds the same amount of mo…
60 Tajiri has 60 dollars in his bank account after 4 weeks.
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section 2.2 - histograms, frequency polygons, and ogives question 5 of …
A completed frequency polygon for the given data
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problem 2 select the number line that represents $3 \\cdot (-6)$. you c…
The top number line (with three leftward arrows labeled $-6$ each, starting from 0)
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for the following questions, the right hand box shows what you are tryi…
Question 1: Inputs: gas per mile driven (gal/mi), number of miles (mi) Action: use conversion factor Question 2: Inputs: total number of ball bearings, total weight in pounds Acti…
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audrina is knitting a scarf for her sister. she knits 3.5 centimeters o…
After each **day**, the length of the scarf increases by 3.5 more **centimeters**.
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m3|l5 introduction to linear relationships audrina is knitting a scarf …
| Number of days | Length of the scarf (cm) | |----------------|--------------------------| | 4 | 14 | | 6 | 21 |
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in 1990, 28% of bicycles in a certain country had tires wider than 25mm…
2070
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according to statistics, a person will devote 36 years to sleeping and …
The person will spend 8 years watching TV and 28 years sleeping
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samara started drumming lessons and learns 4 songs each month. fill in …
| Number of months | Number of songs | |------------------|-----------------| | 7 | 28 | | 9 | 36 |