Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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lukes math teacher plots student grades on their weekly quizzes against…
Approximately 4.28 hours
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a population of middle school students contains 160 sixth - graders, 18…
B. 8
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3. a coin is tossed two times, then a month of the year is randomly sel…
$\frac{1}{16}$
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20 (01.05 lc) which best describes what is meant by “conducting an audi…
Crossing out or checking off tasks on your list which are finished and complete
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kennedy has a part - time job at an ice skating rink selling hot cocoa.…
49
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traverion wants to find the answer to the question \how much money does…
The results do not represent the population because the sample does not represent professors from different areas.
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indigos math teacher finds that theres roughly a linear relationship be…
The number of hours a student should spend on their homework to expect a score of 81 on the quiz.
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2. a bag contains 40 slips of paper numbered 1 - 40. if one is randomly…
$\frac{27}{40}$ (assuming the intended number was 3 instead of 37 based on the options)
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amalie wants to know if students in her class prefer hot dogs or hambur…
The population is small enough to survey the entire group.
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a camp counselor is trying to determine, of the places they have previo…
campers who have gone camping before
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a landscaper wants to find the answer to the question \how much time do…
The survey results will be inaccurate because lawns in one neighborhood do not represent all types of lawns in a large city.
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question select the correct answer. how does the repetition of the word…
The repetition emphasizes hope and a unified vision for America.
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1. what is the probability of drawing a jack or a red card form a stand…
$\frac{7}{13}$
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charlotte is preheating her oven before using it to bake. charlotte wan…
The oven's temperature after 1 minute.
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a collection of sample data has 753 values. we are promised ___(a)___ _…
(a) B. at least (b) B. 75%
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31. if there are 200 students surveyed, how many chose snapchat? previo…
44
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compare chebyshevs rule and the empirical rule. a. compare the estimate…
a. Chebyshev's rule: At least \(75\%\) of the observations lie within 2 standard deviations of the mean. Empirical rule: Approximately \(95\%\) of the observations lie within 2 st…
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“the wifes story”by ursula le guin he was a good husband, a good father…
1. Point - of - view: First - person; Perspective: Wife's. 2. Gentle, positive, easy - going. 3. Respected leader (led singing at Lodge Meetings). 4. Happy.
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how did lincolns second inaugural address demonstrate his evolved under…
B. Promoted national unity after conflict C. Emphasized healing over punishment F. Advocated forgiveness and reconstruction
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the united states bureau of labor statistics estimates that employment …
B. False
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question number 3. given: p(e)=0.32, p(f)=0.42, and p(e∩f)=0.13. find p…
# Explanation: ## Step1: Recall conditional - probability formula The formula for conditional probability is $P(E|F)=\frac{P(E\cap F)}{P(F)}$. ## Step2: Substitute given values We…
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question number 2. given: p(e)=0.37, p(f)=0.53, and p(e∪f)=0.72. find p…
$0.20$
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quiz 2 (id 657919) due: sat sep 13 23:59 2025. until due: 1.4 days. res…
0.84
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quiz 2 (id 657919) due: sat sep 13 23:59 2025. until due: 1.4 days. res…
0.84
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question number 1. hospital records show that 16% of all patients are a…
None of the above.
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question number 12. a large - scale study conducted over a one - year p…
0.9418
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question number 11. the probability that a student correctly answers on…
0.72
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question number 10. the probability that a randomly selected person has…
0.2
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question number 10. the probability that a randomly - selected person h…
There seems to be an error in the provided options as the correct probability $P(H\cap R) = 0.05$ is not among them. If we assume there was a mis - typing in the problem - setup a…
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question number 9. the probability that a randomly selected person has …
0.50
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what is one way that a reader can uncover an authors meaning in a narra…
B. By looking at how the author develops the characters and setting.
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for context, jamie is a student that has class with both max and justin…
B. Max
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a population of middle - school students contains 160 sixth graders, 18…
14
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travenon wants to find the answer to the question how much money does t…
The results do not represent the population because not all college professors actually responded.
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a person wants to find the answer to the question how much time do peop…
The survey results will be inaccurate because lawns in one neighborhood do not represent all types of lawns in a large city.
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your understanding 1-2 assignment: audit your understanding 1-2 (practi…
In business and accounting, "on account" generally means a transaction where payment is deferred or an entry in an account related to such a deferred - payment transaction.
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explain the responsibilities of the judicial branch. (1 point) the judi…
The judicial branch is required to interpret the meaning of the laws and provide a ruling on court cases.
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read this excerpt. this pitcher gave all four of his children names tha…
A. he believed the extra Ks would help him continue to strike out players.
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read the end of the selection. when the author states, \chances are, th…
C. The players are good because of their skills, not their superstitions.
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in this part of the selection, what does the word \swing\ mean? a move …
C. hit at an object
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a dance student wants to know the favorite type of dance class for stud…
She could sample a proportional number of students in each type of dance class.
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39. which literary device is used in the phrase: \the flames rise, reac…
39. B. Personification 40. B. It creates a sense of fear and urgency 41. A. Life is fragile, and people are always at risk of damnation
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a supervisor wants to know the average number of hours worked by employ…
9
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a camp counselor is trying to determine, of the places they have previo…
campers who have gone camping before
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4. true or false: authors use different kinds of irony to create intere…
4. True 5. False 6. True 7. verbal irony
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16. which of the following inferences can be made from the text about t…
16. A. Mounds reflected both religious and political authority within Native societies 17. B. Related to ritual and religious practice 18. B. By presenting events in chronological…
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not a whole number because there is no whole number we can multiply by …
5.4
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11. part a: what is the central idea of the entire text? a the natchez …
11. Part A: B. The French presence brought the decline of these traditions. 11. Part B: A. "Elaborate funeral ceremonies for powerful members of Natchez society were held on the m…
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two athletes are training for a cycling race. each athlete recorded the…
(a) Athlete B (b) Athlete A (c) Athlete B (d) Athlete B
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6. the graph gives a sales representatives distance from their home as …
a. 8 AM - 10 AM and 4 PM - 6 PM b. From 8 AM - 10 AM, the sales representative moves away from home. From 10 AM - noon, they stay at a location (distance from home is constant). F…
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1. what is the central idea of the entire passage? a all native america…
1. D. European contact led to both cooperation and conflict with the Natchez, Chickasaw, and Choctaw, which reshaped their communities. 2. C. Tensions between the French and Natch…
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select the graph that shows a negative relationship between the two var…
The second graph (the one with Distance from Equator on the x - axis and Temperature on the y - axis) shows a negative relationship between the two variables.
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is the given square root a whole number, or is it irrational? √25 is a …
5
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5b use the line of best fit to estimate the room temperature when there…
25
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what does the word \bicameral\ mean? * two bodies, or two houses two pe…
Two bodies, or two houses
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two english classes with the same number of students took a final exam.…
(a) Class A (b) Class B (c) Class A (d) Class B
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4. which of the following could be the equation for the line of best fi…
A. $y = 3x-20$
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now that steve rogers has retired as captain america, sam wilson has ta…
D. protagonist
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if a story ends with a cliffhanger (an ending meant to leave the audien…
E. resolution
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try again your answer is incorrect. (a): your answer is incorrect. (b):…
(a) both had the same IQR (b) City A (c) City A (d) City A
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in the conclusion of an argumentative essay, the author should include …
# Breve explicación: En la conclusión de un ensayo argumentativo, el autor debe resumir y reforzar su postura. Reestablecer las ideas principales y resumir cómo apoyan la tesis es…
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look at the data tables below. which would most likely produce a nonlin…
Table 3
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on a certain saturday, the sales records of 78 employees were examined.…
D. Not enough information is provided to draw any of these conclusions
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the dot - plots below show the number of pages mandee read per day for …
C. 3
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analyze the scatter - plot graph. age vs. weight. which trend does the …
As age increases, weight increases.
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which individual color(s) result in a probability of being selected? re…
green
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letitia tells her son, evan, that he may have one piece of candy with h…
Pink: $\frac{2}{5}$, Purple: $\frac{1}{10}$, Green: $\frac{3}{10}$, Yellow: $\frac{1}{5}$
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what was a significant consequence of using zeppelins and airplanes in …
They introduced the concept of strategic combat engagements.
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pints consumed per person ice cream consumption vs. temperature tempera…
There is a positive correlation between temperature and ice - cream consumption per person.
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what types of evidence do the authors use in this excerpt? select two o…
A. data showing the widespread use of social media in countries involved in the uprisings C. statistics that describe Egyptians' use of the internet and social media during the up…
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which passage provides more effective evidence, and why? o the first pa…
The first passage provides more effective evidence because it has data and statistics from research reports, while the second passage uses titles of articles and authors' names as…
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number of visitors visitors at public pool month use the drop - down me…
fewer
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irony: 6. in your own words, define each type of irony. situational iro…
Situational irony - When the result is contrary to expectations. Verbal irony - Saying the opposite of one's meaning. Dramatic irony - Audience knows more than characters.
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a football team has attempted 6 running plays. the change in field posi…
-1 yard per play
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diana and kinsey are put in charge of choosing a mascot for their baske…
The data are inadequate.
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the weights of dimes are approximately normally distributed with a stan…
1. C) 2.276 2. E) $1.282(0.02)+12.05$
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the red blood cell counts (in 10^5 cells per microliter) of a healthy a…
$2.35$
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the tourist bureau of the caribbean islands surveyed a sample of 6 unit…
$3.10$
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2. what information can be seen most easily in the histogram? 3. what i…
2. The frequency distribution of data within intervals can be seen most easily in the histogram. 3. The five - number summary (minimum, first quartile, median, third quartile, max…
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the following are the ages of 12 physics teachers in a school district.…
Minimum: 29 Lower quartile: 32.5 Median: 44 Upper quartile: 52 Maximum: 57 Interquartile range: 19.5
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syntax quick check what is syntax? (1 point) a piece of writing that is…
The set of grammatical rules that determine how words and phrases are arranged in a sentence.
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lesson 2: data representations cool down: reasoning about representatio…
The exact frequency of each individual battery - life value.
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question 1 1 pts a standardized variable has mean and standard deviatio…
0 1
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greg has scored 23, 28, 29, and 23 points in his four basketball games …
27
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3. a sandwich shop is known for their fast delivery. if a delivery take…
$0.1056$ #### b.
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christine has scored 99, 66, 86, and 66 on her previous four tests. wha…
73
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2 the data set represents the shoe sizes of 19 students in a fifth - gr…
A box - plot with minimum = 4, Q1 = 6, Q2 = 7, Q3 = 8, maximum = 9.
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in a volatile housing market, the overall value of a home can be modele…
Part A: The vertex is \((\frac{220}{21},\frac{2141000}{21})\approx(10.48,101952.38)\) Part B: Approximately \(10.48\) years after 2020 (around 2030 - 2031), the value of the home …
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here are the numbers of children in 15 elementary school classes. 20, 1…
18,19,20
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the following list gives the number of public libraries in each of 11 c…
No mode
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ush financial is examining the use of its midtown atm machine. here are…
47
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statistics median of a data set the following list contains the number …
10
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each of 5 students reported the number of movies they saw in the past y…
14
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complete parts (a) through (c) below. a. obtain the mean and median of …
b. C. The median works better here since it is more typical of most of the data. c. A. The mean is not resistant to outliers. Since the 19 in the data set was replaced by 109, the…
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on a survey, 7 students reported how many minutes it takes them to trav…
$10.9$
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consider the data set 11,12,13,14,15,16,17,18,19. complete parts (a) th…
The mean is 25. The median is 15. The median is a better measure of center.
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jack. it pains me very much to have to speak frankly to you, lady brack…
being untruthful
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managers of a sports arenas parking garage keep track of the duration o…
(a) 152 (b) 182 (c) 3
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each year, forbes magazine compiles a list of the 400 richest americans…
14.2
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as part of a survey, 15 adults were asked, \how many hours did you spen…
(a) 49 (b) 57 (c) 1