Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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ron is attempting to explain what fake news means to his class of 4th g…
A. a deliberately false story, usually spread on social media with the intent to influence political action
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mathematics. math 003. fall 2025 work: unit 4 - mean, median and mode, …
A. The mode(s) of the data is/are 12
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heavy football players: following are the weights, in pounds, for offen…
$14.8$
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math 003. fall 2025 question 17, 7.3.45 part 2 of 3 hw score: 50%, 23 o…
12.0
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matics. math 003. fall 2025 unit 4 - mean, median and mode, and questio…
12.0
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mathematics. math 003. fall 2025 work: unit 4 - mean, median and mode, …
A. The mode(s) is/are 7
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the data show the number of vacation days used by a sample of 20 employ…
\(Q_1 = 4\) \(Q_2 = 6\) \(Q_3 = 7\)
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number of hours spent on homework what is a dot plot and how do you rea…
A. A dot plot is a simple plot that displays data values as dots above a number line. B. Dot plots show the frequency with which a specific item appears in a data set. D. 5 studen…
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unit 4 - mean, median and mode, and question 16, 7.3.41 part 1 of 3 use…
$6.8$
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mathematics. math 003 fall 2025 ework; unit 4 - mean, median and mode, …
$6.3$
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a picture is worth a thousand words. the meaning of this phrase cant ne…
C. idiom
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unit 4 - mean, median and mode, and the following pulse rates were reco…
9
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mrs. haddis teaches her students that the most trusted news sources are…
They have the least amount of prejudice in favor of or against one thing, person, or group in a way that is seen as unfair.
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the scholarship jacket - comprehension questions directions: using the …
1. The main character is Martha and she is hoping to receive the scholarship jacket. (No page/paragraph citation available without story text) 2. The reason the scholarship jacket…
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the following pulse rates were recorded for a group of 15 students. fin…
$69.53$
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bridge to mathematics. math 003 fall 2025 homework: unit 4 - mean, medi…
$80.5$
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mathematics. math 003. fall 2025 work: unit 4 - mean, median and mode, …
B. The mode(s) is/are 5.6
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question 11, 7.3.15 find the grade - point average. assume that the gra…
$2.64$
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quiz question 10 of 10 line plots, pie charts and bar graphs all must h…
B. title.
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unit 4 - mean, median and mode, and the ten tallest buildings are liste…
D. The median height of the five tallest buildings is the height of the third building and that of the eight tallest buildings is the average height of the fourth and fifth buildi…
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quiz question 8 of 10 when the sample size is larger, the result is cho…
A. more accurate
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quiz question 7 of 10 a random sample means choose one option a the sur…
C. the survey participants were selected by chance.
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bridge to mathematics. math 003. fall 2025 homework: unit 4 - mean, med…
1390.0
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quiz question 4 of 10 true or false: you can collect data yourself. cho…
A. True
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quiz question 3 of 10 which of these is an example of qualitative data?…
B. your classmates’ favorite books
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quiz question 1 of 10 which of these is an example of data? choose one …
D. all of the above
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question 8, 7.3.7 part 1 of 3 points: 0 of 1 unit 4 - mean, median and …
Mean: 359.1 Median: 305.5 Mode: None
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review the third paragraph. sharing of homemade creations. when people …
It is unlikely that people feel betrayed when offered store - bought food, as the author claims.
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for the given set of numbers, find the mean, the median, and the mode. …
A. The mode is 0.9, 1.3
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mathematics. math 003. fall 2025 work: unit 4 - mean, median and mode, …
A. The mode is 0.9, 1.3
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for the given set of numbers, find the mean, the median, and the mode. …
The mean is $1.3$, the median is $1.3$, the modes are $0.9$ and $1.3$.
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review the second paragraph. the most common reason given for eliminati…
It summarizes an opposing argument.
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2. read the following 2 sentences from paragraph 9 one day i was sittin…
involved
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angela just learned the processes of using the distributive property. s…
multiply
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mathematics math 003 fall 2025 work: unit 4 - mean, median and mode, an…
The mean is 6.1, the median is 6.2, the mode is 6.2
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ematics math 003 fall 2025 question 5, 7.3.1 part 3 of 3 points: 0 of 1…
A. The mean is 24.0 A. The median is 25 B. There is no mode
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find the mean, median, and mode for the set of numbers. if necessary, r…
Find the mean: A. The mean is 24.0 Find the median: A. The median is 25 Find the mode: B. There is no mode
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to begin, note merriam - websters use of the phrase difficult to contro…
Rate of reproduction is not the only trait that can make an animal difficult to control.
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when the population is not normally distributed, the sampling distribut…
B. A normal distribution given a large enough sample
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ematics math 003 fall 2025 unit 4 - mean, median and mode, and question…
Mean: 24.0 Median: 25 Mode: None
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review the sixth paragraph. perhaps people consider squirrels to be ver…
Squirrels are in the family Sciuridae while mice and rats are classified as Muridae.
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question 3 suppose that a candy company makes a candy bar whose weight …
D. It is extremely unlikely for this to occur; the probability is very close to 0.
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classify each question as statistical or non - statistical. what kind o…
- What kind of dog does Bruno have?: Nonstatistical - What is Clara's brother's name?: Nonstatistical - What time did Javed go to sleep?: Nonstatistical - How many siblings do you…
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cs. math 003. fall 2025 question 4, 7.3.vrc - 5 it 4 - mean, median and…
B. grade point average
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pictured below (in scrambled order) are three histograms. one of them r…
D. 8
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decide if each question is statistical or non - statistical. how many h…
How many hours did Rahul sleep last night? - Non - statistical What is your favorite sport? - Non - statistical What is Noya’s favorite book? - Non - statistical How far away do y…
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complete the statement below. an example of weighted mean is a calculat…
A student's final grade (where different components like tests, assignments have different weightages)
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led by three young black minorca pullets, the hens made a determined ef…
B. allegory, to show similarities between the farm and the Soviet Union
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making inferences about the authors purpose led by three young black mi…
The author wants to portray the ruthlessness of a dictator.
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review the sixth paragraph. self - driving and safe technology giants a…
The author fails to provide evidence that many people are opposed to the idea of autonomous vehicles.
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mean, median and mode, and question 2, 7.3.vrc - 2 select the correct c…
C. mode
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16 multiple choice 1 point the doctrine of laissez - faire is based on …
16. D. markets are likely to do a better job of allocating resources than government directives. 17. A. laws and regulations 18. D. the overall economy.
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homework: unit 4 - mean, median and mode, and probability question 1, 7…
average
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question 4 a social scientist wishes to conduct a survey. she plans to …
Question 4: D. The standard deviation of the sampling distribution will be 3 times larger with sample size 100. Question 5: A. A distribution of a single statistic from repeated r…
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vladimir rolls a six - sided number cube 36 times. if getting a 3 is a …
$\frac{1}{6}$
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a social scientist wishes to conduct a survey. she plans to ask a yes/n…
Question 2: A. The sample proportion from the sample of 900 is more likely to be close to the true population proportion, p. Question 3: A. Different sample proportions would resu…
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derek jeter challenges albert pujols to a batting battle. each will ear…
E(Jeter) = 0.38 and E(Pujols) = 0.45, so back Pujols
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in june 2005, a survey was conducted in which a random sample of 1,464 …
Question 1: B. 30%, 63%, and 7% are all statistics. Question 2: A. The sample proportion from the sample of 900 is more likely to be close to the true population proportion, p.
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johnni guessed on all 8 questions of a multiple - choice quiz. each que…
0.208
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laila guesses on all 20 questions of a multiple - choice test. each que…
$P(\text{success})=\frac{1}{4}, P(\text{failure})=\frac{3}{4}$ (corresponding to the first option in the multiple - choice list)
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why is the question below a statistical question? check all that apply.…
B. The question provides useful data about a group of people. C. Many people can answer the question. E. There will be many different answers to the question. F. The data collecte…
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miguel cabrera has had 369 at bats, and he has 127 hits and 21 home run…
0.57
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state the domain and range of each graph. use interval - notation where…
No, the domain of #19 is $(-\infty,\infty)$ which means all real numbers. The domain of #20 is likely a set of specific discrete x - values (since it seems to be discrete points) …
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a company has an opportunity to bid on three contracts. determine which…
Southwest
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mrs gomes found that 40% of students at her high school take chemistry.…
0.438
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a researcher finds that 15% of all commuters in a metropolitan area tak…
250
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1. the verb estar and its uses remember that two verbs in spanish mean …
1. están 2. soy 3. son 4. está 5. es 6. están 7. estamos
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which of the following is a binomial experiment? flipping a coin until …
Flipping a coin 10 times and recording if it comes up heads
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how many outcomes are possible for one event of a binomial experiment? …
B. 2
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dion flips a coin 20 times and records if it comes up heads. if getting…
0.5
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what is the probability of a success and a failure for this experiment?…
B. $P(\text{success})=\frac{1}{4}, P(\text{failure})=\frac{3}{4}$
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van guessed on all 8 questions of a multiple - choice quiz. each questi…
$0.267$
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which of the following is a binomial experiment? a survey asking 75 peo…
A survey asking 75 people if they like the new school building
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forty - four percent of the members of the science club wear blue shirt…
Selecting eight members randomly and recording whether each member is wearing a blue shirt
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aron flips a penny 9 times. which expression represents the probability…
\({}_{9}C_{3}(0.5)^{3}(0.5)^{6}\) (corresponding to the first option in the multiple - choice list)
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unit 4 - pie charts and interpreting question 30, 7.2.47 can the data b…
A. No, because the percents add up to more than 100%.
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probability that you will roll an even exactly 5 times when you roll a …
The number of trials affects the distribution, 5 successes is close to an end of the distribution for 20 trials.
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math 003. fall 2025 acheley abraham - abraham 09/15/25 10:41 pm 4 - pie…
1828
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find the probability that you will roll an even number exactly 5 times …
For rolling a six - sided number cube 10 times: $\frac{63}{256}$ For rolling a six - sided number cube 20 times: $\frac{969}{65536}$
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the circle graph to the right shows the relative sizes of the oceans of…
45395845
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the table below shows the percents of the distribution of large dams by…
B.
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according to a survey, 40% of adults watch a particular television show…
skewed
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exactly 7 correct) = 0.0031 exactly 8 correct) = 0.000386 exactly 9 cor…
The probability decreases as the number of successes increases. The probability of 9 or 10 successes is very close to 0. 9 or 10 successes is very unlikely.
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p(getting exactly 7 correct) = 0.0031 p(getting exactly 8 correct) = 0.…
The probability of getting greater numbers of successes decreases.
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peter guesses on all 10 questions of a multiple - choice quiz. each que…
0.0035
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question 3 digital media utilizes electronic devices for distribution a…
B. email
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bridge to mathematics. math 003. fall 2025 homework: unit 4 - pie chart…
| State | Percent | Degrees in sector | | ---- | ---- | ---- | | State A | 18% | 65° | | State B | 32% | 115° | | State C | 4% | 14° | | State D | 39% | 140° | | State E | 4% | 14…
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a number cube with six sides is rolled seven times. the probability of …
$\frac{65625}{279936}\approx0.234$
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which expression represents the probability of rolling a 5 exactly thre…
$_{10}C_{3}(\frac{1}{6})^{3}(\frac{5}{6})^{7}$ (assuming the correct option among the ones in the image is the one with this form)
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use the following formula for calculating binomial probabilities to ans…
63/256 (corresponding to the second option)
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después de la prehistoria, la historia de nuevo méxico continuó con el …
1. Maíz, fríjoles y calabaza. 2. Los Ancestrales Pueblo. 3. Con sistemas avanzados de riego. 4. Traducciones de arte, cerámica, comercio y historias orales. 5. El cambio de la épo…
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determine the values of the variables in the binomial probability formu…
$n = 10$ $p = 0.5$ $k = 5$
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you already learned the expression for calculating binomial probabiliti…
n represents the number of trials p represents the probability of success k represents the number of successes
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mathematics. math 003 fall 2025 acheley abraham - abraham 09/15/25 10:3…
26040
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use the features on the left to identify which of the following are bin…
- A survey asking 50 people if they like pizza: Binomial experiment. - A survey measuring 50 people to see if they are over 6 feet tall: Binomial experiment. - A survey asking 50 …
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which three criteria do binomial experiments meet? there are only two t…
- The trials are independent. - There are only two outcomes per trial. - The probability of success is the same for each trial.
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unit 4 - pie charts and histograms question 24, 7.2.13 the total amount…
7370000
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unit 4 - pie charts and histograms question 23, 7.2.5 hw score: 73.68%,…
$\frac{7}{12}$
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unit 4 - pie charts and histograms question 22, 7.2.1 hw score: 71.05%,…
D. Parent or guardian's home
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suppose you spin the spinner below 5 times. which probabilities do you …
$P(\text{getting A on 2 or fewer spins})=P(0\text{ successes}) + P(1\text{ success})+P(2\text{ successes})$