Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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a bag contains 7 red marbles, 8 blue marbles and 4 green marbles. if tw…
\( 0.12 \)
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evaluate the given expression. p(n, 1)
$n$
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7. use technology to evaluate the logarithm. round your answer to three…
$-2.079$
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b-1. construct the cumulative frequency distribution and the cumulative…
To construct the cumulative frequency and cumulative relative frequency distributions, we analyze the given intervals: ### Step 1: Understand Cumulative Frequency Cumulative frequ…
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mavs family took a road trip to the grand canyon. mav fell asleep 36% o…
The total length of the trip is 600 miles.
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a bakery sold 26 vanilla cupcakes in a day, which was 13% of the total …
The bakery sold 200 total cupcakes that day.
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a chi-square distribution with 4 degrees of freedom is graphed below. t…
\(0.285\)
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29% of a universitys freshman class are majoring in economics. if 2668 …
The total number of students in the freshman class is 9200.
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c. what proportion of the observations are 20 or less? note: round your…
To solve this, we need the dataset (number of observations ≤20 and total observations). Assume we have a dataset, e.g., if total observations \( n = 100 \) and observations ≤20 ar…
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8 michelle has 8 cups of flour. she covers the countertop and the rolli…
3
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solve each problem. 4. yoshi had 55¢. he gave his sister a dime. circle…
1. Para Yoshi: Circula la moneda de 25¢ y dos monedas de 10¢. 2. Para Kayla: Circula la moneda de 50¢, la moneda de 5¢ y la moneda de 1¢.
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3. megan had 50¢. she lost 1 nickel. circle the 5 coins that show how m…
Debes marcar (circular) las 4 monedas de 10¢ (dimes, con retrato de Roosevelt) y la moneda de 5¢ (nickel, con retrato de Jefferson, la que está abajo a la izquierda).
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fox and brer rabbit cast of characters: brer rabbit, fox, and the narra…
D. tell what Fox decided to do with Brer Rabbit ### Question 2
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1. zena has these smiley face stickers. (image of 6 smiley face sticker…
1. F. $\frac{6}{6}$ 2. G. $\frac{2}{6}$
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9. the football team needs a new player. using the data displays, deter…
1. For the fastest player: The coach should choose Terry, because Terry has the highest median number of ladder drills completed in 60 seconds, meaning he typically finishes more …
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a chi-square distribution with 5 degrees of freedom is graphed below. t…
\(0.050\) (or more accurately, using the R calculation, \(0.050\) when rounded to three decimal places. Wait, the R output is \(0.0502727\), which rounds to \(0.050\) or \(0.050\)…
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practice & problem solving leveled practice in 7 and 8, complete each s…
a. Interquartile Range (IQR) b. Mean (or Median) --- ### For Question 8:
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a chi - square distribution with 4 degrees of freedom is graphed below.…
\( 0.857 \)
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6. choose the equation of the line of fit that best matches each scatte…
To solve this, we analyze each scatterplot's trend (positive/negative slope) and match with the equations: ### 1. Money Spent at Gift Shop (Scatterplot 1) - **Trend**: Negative sl…
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leveled practice in 7 and 8, complete each statement. 7. use the stem -…
a. standard deviation (or interquartile range) b. mean
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one of them is that happy moment at the soda fountain...with a tinkling…
a more positive connotation
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find the sum of the each fractions 2. $\\frac{1}{8}+\\frac{1}{8}+\\frac…
6. $\frac{3}{4}$ 7. $\frac{5}{6}$ 8. $\frac{2}{3}$ 9. $\frac{5}{7}$ 10. $1$ *(Note: The top 5 questions are partially obscured and unreadable, so only questions 6-10 are solved ba…
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constructed response questions: statistics algebra 2 unit 8, lessons 1–…
### Question 1: - Difference: Observational studies only observe subjects without manipulating variables; experimental studies manipulate an independent variable to test effects, …
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(1) going to a new school means moving (2) a new school takes some time…
B. sentence 8
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read the selection below and answer the questions that follow. why give…
1. D. understand how important their donation is 2. B. People donate blood. 3. Example synonyms: Large, Huge
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review the information from the website. which statement best describes…
The website is meant to promote the social goal of eating a healthy vegetarian diet.
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fraction word problems solve each problem. 1) adam stacked 7 pieces of …
1. $5\frac{5}{6}$ feet 2. $5\frac{1}{4}$ packages 3. $1\frac{1}{2}$ cups 4. $\frac{1}{2}$ pounds 5. $2\frac{1}{10}$ miles 6. $1\frac{3}{5}$ boxes 7. $2\frac{2}{3}$ hours 8. 3 pots…
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fraction word problems name: solve each problem. 1) adam stacked 7 piec…
1. $5\frac{5}{6}$ feet 2. $5\frac{1}{4}$ packages 3. $1\frac{1}{2}$ cups 4. $\frac{1}{2}$ pounds 5. $2\frac{1}{10}$ miles 6. $1\frac{3}{5}$ boxes 7. $2\frac{2}{3}$ hours 8. 3 pots…
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read this example: helen often referred to her husband as \milquetoast\…
A. Because the word is not commonly used and requires more explanation
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4. krystine has a weekend job advertising an upcoming play. she has two…
B. Option A gives Krystine more earnings this weekend.
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summary a summary is a brief, complete statement of a text that retains…
To write a summary of "Junk - Food Tax: A Well - intentioned but Bad Idea", we first need the content of the article. Since the article's content isn't provided here, we can't cre…
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round 6.56 to the nearest whole number.
7
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x is a normally distributed random variable with mean 60 and standard d…
0.002
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x is a normally distributed random variable with mean 42 and standard d…
0.840
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x is a normally distributed random variable with mean 97 and standard d…
0.84
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(a) write 0.027 as a percentage. (b) write 5.34% as a decimal. (a) 0.02…
(a) \( 2.7\% \) (b) \( 0.0534 \)
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x is a normally distributed random variable with mean 58 and standard d…
0.975
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x is a normally distributed random variable with mean 57 and standard d…
0.815
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x is a normally distributed random variable with mean 17 and standard d…
0.024
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x is a normally distributed random variable with mean 49 and standard d…
0.815
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x is a normally distributed random variable with mean 14 and standard d…
0.0235 rounded to 0.024
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which literary term refers to exaggerated statements not meant to be ta…
B. Hyperbole
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x is a normally distributed random variable with mean 71 and standard d…
0.839
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x is a normally distributed random variable with mean 15 and standard d…
0.839
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from the excerpt from the republic by plato. suppose then that we invit…
D. ethos, because the speaker describes the women he thinks deserve to be leaders
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select the correct answer from the drop down menu read the following li…
married
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read the excerpt from the republic by plato. and what shall be their ed…
The correct option is the one with "rhetorical question, asking what defines literature and music" (note: the description's content about "what defines literature and music" might…
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skill sheet: key features + connecting tables to models, and regression…
A. \( f(x) = 4\sqrt{x} \)
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a function p estimates that there were 2,000 animals in a population in…
C. $p(x) = 2,000(1.03)^x$
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5 mark for review scott selected 20 employees at random from all 400 em…
B. 320
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a bag contains 8 red marbles, 7 blue marbles and 2 green marbles. if tw…
\(\frac{7}{34}\)
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an electronics store placed an ad in the newspaper showing flat - scree…
a. The mean is $\$1028.00$ The median is $\$949.00$ The mode is $\$700$ b. The store is using the **mode** because it is the lowest value, making TVs seem more affordable to attra…
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2.3c solving exponential functions quick write the function shown is so…
The work is incorrect because: 1. The exponential expression $4^{2x-6}$ was incorrectly treated as a linear product $4(2x-6)$—exponential notation means repeated multiplication of…
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find the mean, median, and mode of the set of values age (years) | freq…
The mean is approximately 15.77 years. The median is 16 years. A. The mode is 16 years.
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a set of data has a normal distribution with a mean of 46 and a standar…
50
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twenty - five randomly selected students were asked the number of movie…
### Part (a) To construct a histogram, we need to check the frequency of each number of movies: - For 0 movies: frequency is 5 - For 1 movie: frequency is 9 - For 2 movies: freque…
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a set of data has a normal distribution with a mean of 60 and a standar…
95%
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a normal distribution has a mean of 4 and a standard deviation of 1. wh…
49.87
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21. leaving the open sea to sail through a narrow ____ is the type of a…
To solve these vocabulary - based multiple - choice questions, we analyze each question by looking at the context and the meaning of the words in the options. ### Question 21 - **…
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sixty - five randomly selected car salespersons were asked the number o…
A. The relative frequency shows the proportion of data points that have each value, while the cumulative relative frequency shows the proportion of data points that are equal to o…
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（the text in the image is partially unclear, and the following is the r…
The standard deviation of the large wild cats is $\sigma \approx 10.28$ The standard deviation of the birds in flight is $\sigma \approx 74.68$ The standard deviations of the two …
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find the standard deviation for each data set. use the standard deviati…
The standard deviation of the large wild cats is $\sigma = 13.64$ The standard deviation of the birds in flight is $\sigma = 51.54$ The standard deviations of the two data sets sh…
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find the mean, variance, and standard deviation for the data set 6, 15,…
The mean is $\bar{x} = 9.00$ The variance is $\sigma^2 = 26.60$ The standard deviation is $\sigma \approx 5.16$
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7. 5% of what number is 3.6? 8. 12.6 is what percent of 105? 9. 13% of …
7. 72 8. 12% 9. 29 10. 98 11. 340 12. 64%
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some teachers use a weighted mean to calculate grades. each score is as…
82.1
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consider the list of numbers below. at what position is 38 in the \\box…
55
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an athlete ran at a constant speed for 12 seconds. the part of the line…
The domain of the function is \( 0\leq x\leq12 \) (or the set of all real numbers from 0 to 12, inclusive, representing the time in seconds the athlete runs).
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1. what is 90% of 130? 2. what percent of 55 is 22? 3. 58% of what numb…
1. 117 2. 40% 3. 135 4. 60% 5. 54 6. 588
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sixty - five randomly selected car salespersons were asked the number o…
### Part 1: Completing the Table First, let's recall the definitions: - **Frequency**: The number of times a data value occurs. - **Relative Frequency**: Frequency divided by the …
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convert 51.9% to a fraction in simplest form and a decimal. answer atte…
Fraction: $\frac{519}{1000}$ Decimal: 0.519
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convert 0.932 to a fraction in simplest form and a percent. answer atte…
Fraction: $\frac{233}{250}$ Percent: $93.2$ %
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a cookie recipe states for every 3 cups of flour, 1 1/2 teaspoons of va…
$2\frac{1}{2}$ teaspoons (or $\frac{5}{2}$ teaspoons)
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convert 0.275 to a fraction in simplest form and a percent. answer atte…
Fraction: $\frac{11}{40}$ Percent: $27.5\%$
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what is 0.63% as a decimal? 0.0063 0.063 63.0 6300.0
0.0063 (corresponding to the option "0.0063")
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student grades on a chemistry exam were: 79, 78, 76, 82, 86, 50, 79, 81…
For stem 5: 0 For stem 6: NONE For stem 7: 6 8 9 9 For stem 8: 1 2 4 6 For stem 9: 9
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question convert 70.2% to a fraction in simplest form and a decimal. an…
Fraction: $\frac{351}{500}$ Decimal: $0.702$
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what is 0.06% converted to a decimal? 0.0006 0.6 6.0 600.0
\(0.0006\) (corresponding to the option with \(0.0006\))
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worksheet: the quiet power of introverts part a - prediction 1. what do…
s for Part B: 1. e. Challenge 2. a. Introvert 3. c. Stereotype 4. d. Strength 5. b. Extrovert ### Part A (Sample Answers, as it’s predictive): 1. *Introvert* likely means a person…
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name: date: worksheet: the quiet power of introverts part a – predictio…
s (for the prediction part as examples, and vocabulary context explanation): ### Part A – Prediction 1. Un introvertido es una persona reservada que prefiere su mundo interno, la …
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worksheet: the quiet power of introverts part a - prediction 1. what do…
### 1. Respuesta a la pregunta 1: # Breves explicaciones: La palabra "introvertido" (introvert) generalmente se refiere a una persona que tiende a centrarse en su mundo interno, e…
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name: date: worksheet: the quiet power of introverts part a - predictio…
### 1. Respuesta a la pregunta 1: # Breve Explicación: La palabra "introvertido" (introvert) generalmente se refiere a una persona que se siente más cómoda en entornos menos socia…
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43. a company currently has 500 employees. the number of employees is e…
$y=500(1.02)^x$
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not all functions are expressed as equations. here is a graph of a func…
1. $3$ 2. $6$ 3. $1$ 4. $x=0$, $x=2$, $x=9$ 5. $x=4$ 6. $x=7$ 7. $[0, 12]$ (or $0 \leq x \leq 12$) 8. $[0, 6]$ (or $0 \leq y \leq 6$)
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read - aloud of passages which detail shows how passage 2 uses evidence…
B. Passage 2 uses examples of countries with strong academic performance.
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1. why was writing an effective means of communication for those promot…
1. Writing was effective because it let marginalized groups share their equality demands widely, preserve their messages over time, and access audiences they couldn't reach throug…
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question what is 67% of 800?
536
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argument in public advocacy quick check what does a typical persuasive …
D. something to catch the audience’s attention (assuming the options are labeled A - D as per typical multiple - choice, with D being "something to catch the audience’s attention")
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question what is 66% of 200?
132
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question what is 55% of 580?
319
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what does the narrator mean when he describes boxer’s efforts to marsha…
B. that Boxer struggles to organize and voice his reactions ### Part B
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convert \\(\\frac{11}{15}\\) to a decimal and a percent. answer attempt…
Decimal (Edit the repeating and non-repeating part): $0.7\overline{3}$ Percent (Edit the repeating and non-repeating part): $73.\overline{3}$ %
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pregunta 11 (32 puntos) please select the best answer from the vocabula…
1. excise tax - i. Tax on goods produced within a country; also called a luxury tax 2. income tax - g. Tax paid out by anyone who earns an income 3. personal branding - f. The pro…
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convert 0.593 to a fraction in simplest form and a percent answer attem…
Fraction: $\frac{593}{1000}$ Percent: 59.3 %
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convert 69% to a fraction in simplest form and a decimal. answer attemp…
Fraction: $\frac{69}{100}$ Decimal: $0.69$
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a set of data is shown in this table. x | y 0 | 4 1 | 8 2 | 18 3 | 16 i…
D. nonlinear, because y does not change at a constant rate per each unit increase in x
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convert 92.6% to a fraction in simplest form and a decimal. answer atte…
Fraction: $\frac{463}{500}$ Decimal: $0.926$
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pregunta 16 (5 puntos) men typically view money as a/an ______, while w…
). For Pregunta 17: Spending patterns directly align with personal values and priorities, as people allocate resources to what they deem meaningful.
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pregunta 14 (5 puntos) which of these was not one of the 4 main things …
Pregunta 14: e. religion Pregunta 15: a. 35
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which table shows exponential behavior? a) | x | y | | 0 | 1 | | 1 | 3 …
A) | \( x \) | \( y \) | | --- | --- | | 0 | 1 | | 1 | 3 | | 2 | 9 | | 3 | 27 |
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pregunta 11 (32 puntos) please match the term and its best meaning. col…
1. accountability - c. Taking responsibility and assisting with wise decisions 2. free spirit - e. The person who thinks everything will work out fine and hates details 3. negotia…