Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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7. x represents the amount of snow (in inches) that fell in nome, alask…
- Probability Distribution: | Dogs (\(x\)) | 0 | 1 | 2 | 3 | 4 | 5 | |--------------|---|---|---|---|---|---| | \(P(x)\) | \(\approx0.6855\) | \(\approx0.1954\) | \(\approx0.0772\…
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6-35. summertime camping! morgan and her family are camping on their su…
24 miles ### Part b
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6. read the sentence from paragraph 5. still, not all earth food works …
6. B. Some foods should not be eaten in space. 7. D. Astronauts’ bodies become weak in space due to the lack of gravity, so they have to work harder to keep their bodies strong. 8…
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1. team members are often encouraged to use their in order to solve iss…
s: 1. Creativity 2. Varied Skills 3. Efficiency 4. Support 5. Distribution of Work
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9. | x | y | | -1 | -0.6 | | 0 | -6 | | 1 | -60 | | 2 | -600 |
The function relating \(x\) and \(y\) is \(y = - 6\times10^{x}\) (or \(y=-6(10)^{x}\))
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5. a shop sells smoothies and juices. they are both available in 3 flav…
\(\frac{1}{3}\)
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compare the student text with the source. source: jim kershner, \chief …
No, the student text is not plagiarized. The student has rephrased the information from the source using different wording to convey a similar idea about Chief Spokane Garry's exp…
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7. | x | y | | -1 | -50 | | 0 | -100 | | 1 | -200 | | 2 | -400 |
The relationship between \( x \) and \( y \) is given by the exponential function \( y = - 100\times2^{x} \) (or \( y=-100(2)^x \))
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4. x | -1 | 0 | 1 | 2 y | 0.75 | 3 | 12 | 48
To determine the function that relates \( x \) and \( y \), we analyze the given table: ### Step 1: Check for a pattern (exponential or linear) Let's see the ratio between consecu…
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crm cw comparing data sets name 1. jeffrey surveys the 13 girls and 13 …
Median of Boys = 8 ### Part C:
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if tele means \far away\ and gram means \something that is written,\ wh…
a message sent over a long distance
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the mayor of fairview wants to create an official city slogan to use in…
the 100 residents surveyed by the advisors
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the committee that is planning the winter dance at lake street school n…
all the students in the school
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the owners of shelltown sandwich shop are considering adding a delivery…
The population is all current customers of Shelltown Sandwich Shop The sample is the 70 customers who were surveyed
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a high school principal has several proposals on her desk for new physi…
The population is all 1,200 students at the high school. The sample is the 25 randomly selected students from each grade (total of 100 students, assuming 4 grades) who were survey…
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the owner of a professional sports team had a group of designers create…
all the team's fans
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colin hopes to be elected senator in his home state of california. as t…
the 500 voters surveyed by the campaign committee
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no additional details were added for this assignment. read this excerpt…
It helps Didion convey the idea that her initial conception of New York City was based on intangible ideals and fictional depictions rather than concrete experiences and reality.
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the president of a youth baseball league wants the opinions of the play…
The population is all parents and legal guardians of the youth baseball league players. The sample is the 25 randomly selected parents and legal guardians of the youth baseball le…
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3) write an equation for the sequence represented by the following tabl…
$y=\frac{1}{2}x+6$ (or $y=0.5x+6$)
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the owner of the soup spot knows that the soup she serves needs to be a…
The population for this test is the bowls of soup that are served. The sample is the bowls of soup that the owner checks.
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what is 173.266 rounded to the nearest hundredth?
\(173.27\)
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3) write an equation for the sequence represented by the following tabl…
$y = \frac{1}{2}x + 6$ --- ### For Question 4:
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what is 63.41 rounded to the nearest whole number?
\( 63 \)
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what is 89.91 rounded to the nearest tenth?
89.9
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what is 82.2 rounded to the nearest whole number?
82
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what is 21.011 rounded to the nearest hundredth?
\(21.01\)
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what is 83.401 rounded to the nearest tenth?
\(83.4\)
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name: homeroom: 1) draw the “big g” below 2) can you remember these fac…
1) (Note: Indicated as drawn on the back) 2) 1 foot = 12 inches 1 yard = 3 feet OR 36 inches 1 mile = 5280 feet OR 1760 yards 1 pound = 16 ounces 3) ounce ↔ oz pound ↔ lb ton ↔ T …
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what is 75.72 rounded to the nearest whole number?
76
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what is 7.74 rounded to the nearest tenth?
\(7.7\)
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the accompanying table shows the value of a car over time that was purc…
Regression Equation: $y = 15500.000(0.886)^x$ Value after 8 years: $\$6297.65$
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what is 4.42 rounded to the nearest tenth?
\(4.4\)
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the unit rate is \\square dollars per year. graph the proportional rela…
(unit rate): \( 0 \) (For the graph: Draw a horizontal line through \( y = 7 \) (thousands of dollars) for all \( x \)-values (years).)
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keith is saving money for a car. he has saved the same amount each year…
1500
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part d — connect and reflect in this lesson, you analyzed how an author…
Abuelo's legacy is one of quiet resilience and redefining meaningful impact. He leaves behind a lesson that significance can exist in ordinary, enduring presence rather than grand…
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if $d(x) = 160(1.081)^x$, find $d(40) = \\underline{\\quad\\quad}$
3606.4
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10. 0 / 1 points l.a. wedding caterers offers a wedding reception buffe…
44800
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would be a linear equation? explain. 11. find the mean, median, and mod…
Mean: \(3\), Median: \(3.5\), Mode: \(4\) ### Question 14
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no matter how big a cage is, it will never be a home. animals like pola…
The intended audience is likely the general public (including zoo - goers, people interested in animal welfare, or students) who may visit places with caged wild animals and can b…
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1 luisa reads 2 pages of her book every minute. at this rate, how many …
2.5 hours ### Problem 2
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8. charlie was practicing his free throws. he made 42. if he got 84% of…
50
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for exercise 6, solve the problem. 6. spiral review write and solve a p…
36
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7. the ratio of blue marbles to yellow marbles is 4:5. write an equival…
8:10 (example equivalent ratio)
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sean needs to send a thank - you note for each birthday gift he receive…
Inequality: \(g > 12\) Graph: Open endpoint at 12, ray extending to the right on the number line.
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last year, gina planted 9 tomato plants in her garden and made pasta sa…
The inequality is $t \geq 9$. To graph it: - Place a closed dot at 9 on the number line. - Draw an arrow pointing to the right from 9, covering all values 9 and above.
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the table gives the number of cellular telephone subscribers in a count…
10931
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in 1977, the number of high school dropouts in a country was 5217 thous…
C. The average rate of change is about -74.9 thousand each year. The number of high school dropouts decreased by an average of about 74.9 thousand each year from 1977 to 2005.
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d. $y \\leq 3\\frac{1}{3}$ (ex 2) e. $0 > v$ (ex 2) write an inequality…
\( x > \frac{1}{2} \) ### Part g
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7. han has measured the distance from his house to several locations. u…
| Location | meters | kilometers | |-------------------|--------|------------| | School | 2500 | 2.5 | | Library | 3000 | 3 | | Park | 1500 | 1.5 | | Tyler's house | 500 | 0.5 | |…
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express the following probability as a simplified fraction and as a dec…
\(\frac{225}{256}\)
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name: date: directions: decide whether the information represents a dis…
Discrete random variable. Reason: The number of motorcycle accidents is a countable value (0, 1, 2, ...). ### Problem 2:
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6. complete the sentences below. a. jada has a playlist of songs that i…
a. 4 b. 165 c. 6720 d. 9 minutes
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a 40-year-old person wants to purchase a $200,000 one-year life insuran…
230
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a game is played using one die. if the die is rolled and shows 4, the p…
\$-1.67
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in a product liability case, a company can settle out of court for a lo…
\(100000\) ### Part (b)
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which best describes data that is observational? qualitative quantitati…
qualitative
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which best describes data that is numerical? quantitative qualitative
quantitative
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in a product liability case, a company can settle out of court for a lo…
\(100000\)
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tim has a box of 15 markers. he gives 3 markers each to 4 friends. what…
$\boldsymbol{15 - 3 \times 4}$ (or $\boldsymbol{15 - (3 \times 4)}$)
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5. leo uses three bags of flour to make cookies. the amount of flour in…
If we consider whole batches, the answer is 3. If we consider decimal, it's 3.6. But likely the intended answer is 3 (or if the total was miscalculated, let's re - do the addition…
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it is estimated that there are 20 deaths for every 10 million people wh…
\( 0.80 \)
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there is \\(\\square\\) whole group of \\(\\frac{3}{4}\\) pound in 1 po…
Whole group: 1, Fraction left: $\frac{1}{3}$ (so the first box is 1, the second is $\frac{1}{3}$)
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a construction company is planning to bid on a building contract. the b…
\( 4500 \)
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what is true about poetry? choose one option a poetry is always written…
B. Poets choose words for their meaning and sound.
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the table shows claims and their probabilities for an insurance company…
(for part a): \( \$10000 \) ### Part b: Determine the break - even premium
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3/4 pound of granola fills 5 bags. how many bags do you need to hold 1 …
La ecuación de multiplicación que representa la situación (y permite encontrar el número de bolsas para 1 libra) es $\boldsymbol{5 \times \frac{4}{3} = \frac{20}{3}}$ (o $\boldsym…
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when you use figurative language, you say or write something in a creat…
B. I'd love to take a poem to lunch/ or treat it to a wholesome brunch/ of fresh cut fruit and apple crunch.
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5. leo uses three bags of flour to make cookies. the amount of flour in…
2 ### Question 6
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Question was provided via image upload.
A. 15 minutes after 8, C. quarter after 8 ### Problem 4:
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what is 62% of $500?
\( \$310 \)
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the table shows claims and their probabilities for an insurance company…
$29550$
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4) | x | f(x) | |----|----| | 22 | 15 | | -7 | 11 | | -4 | 6 | | 22 | -…
No
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fill in the missing number. 94% of 1,350 =
1269
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3) | x | h(x) | | -3 | 6 | | 0 | 8 | | -3 | -8 | | 5 | 4 | | -8 | 11 | …
No, this relation is not a function.
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what is 32% of 675?
216
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complete the following statement. 91% of $600 = $
546
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fill in the missing 9% of 600 = \\boxed{} submit
54
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3. tara spends \\(\\frac{2}{3}\\) of her money on a video game. she spe…
\$80 ### Problem 4a
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what is 56% of 375?
210
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3. tans spends \\(\\frac{2}{5}\\) of her earnings on a phone game. she …
The money left is $15. ### Problem 4a (Mr. Perez's money distribution)
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the table shows claims and their probabilities for an insurance company…
The expected claim amount is \(\$29500\) (if the question was to find the expected value). If your question was different (like finding the probability of a claim exceeding a cert…
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the pointer shown to the right can land on every number, and the respec…
3
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the venn diagram below shows the 17 students in ms. bryants class. the …
### Part (a) #### Step 1: Find \( P(A) \) - **Explanation**: Count the number of students in event \( A \) (Chess Club) and divide by total students (17). - Chess Club (A) members…
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a survey of 300 college students shows the average number of minutes th…
\(0.4692\)
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2) | x | g(x) | |----|------| | 3 | 12 | | 5 | 12 | | -4 | 18 | | 9 | 5…
Yes, this relation is a function.
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1. two middle school classes work together to paint a mural in their sc…
### Problem 1 (Matching) #### Mr. Perez’s class situation: We know that the portion they painted ($\frac{1}{5}$ of the entire mural) is $\frac{2}{3}$ of their section. To find the…
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b. mr. lopez wants to make 8 gallons of applejuice. he has 60 pounds of…
No, he does not have enough apples. He needs 3 more pounds.
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x | f(x) 2 | 5 7 | 43 4 | 21 0 | -14 6 | -17 function? ______
Yes
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there are several tables of x and y values, and corresponding equations…
Bottom left unlabeled table: $y=-0.5x$ Bottom right unlabeled table: $y=\frac{1}{4}x$
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which statement best describes lady macbeth’s view of power? a power ca…
D. Seize power by whatever means necessary.
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6. a science club has a ratio of chemistry students to physics students…
Part A: $\frac{2}{5}$ Part B: The club with a chemistry to physics student ratio of 4:5 has more chemistry students.
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5) casey sells digital products. she has a goal of selling 20,000 digit…
1. D 11,458 2. C 23,189
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the random variable ( x ) has mean 12 and standard deviation 3. the ran…
D. The mean is 31, and the standard deviation is 6.
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data were collected on the ages, in years, of the men and women enrolle…
D. 20.47 years
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2:35 - what makes olivia think little women was partly autobiographical…
(Depends on the specific text/media, but generally) Parallels between the March family’s story and Louisa May Alcott’s real - life family, experiences, or values make Olivia think…
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9. the table shows the party affiliation of the 140 senators of the 115…
1. Senate problem: - Number of Democrats: 72 - Number of Independents: 8 2. Band problem: The second band (ratio 5:6) has more trumpet players. 3. Science club problem: The second…
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the distribution of random variable ( r ) has mean 10 and standard devi…
Mean: $3$, Standard deviation: $5$
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2. a daycare has a child - to - caregiver ratio of 3:1. the total numbe…
b. Last year: 8 caregivers, 24 children. This year: 12 caregivers, 36 children.
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5. the venn diagram below shows survey results of cities visited by gro…
a. 327 b. 88 c. 346 d. 119 e. 76 f. 67 g. 24 h. 208 i. 500 --- ### For Question 6: