Class limits 10-

Q: Suppose 100 people all toss a hat into a box and then proceed to randomly pick out a hat. What is…

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Q: A multiple choice exam has 4 choices for each question. A student has studied enough so that the…

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Q: Suppose X, Y and Z be random variables with j.p.m.f. f(x, y, z)= kxyz with x E {1,2}, y = {1, 2, 3),…

A: Given information: The value of k is obtained below:

Q: Mumbai Electronics is planning to extend its marketing region from the western United States to…

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Q: this is all incorrect

A: The sample size n is 21 and p=0.66.

Q: 7 What is the spread of the sampling distribution of X1-X₂?

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Q: The owner of a movie theater company used multiple regression analysis to predict gross revenue (y)…

A: The question is about multiple regression Given : y^ = 83.8 + 2.29 x1 + 1.30 x2 Sample no. of weeks…

Q: If a procedure meets all of the conditions of a binomial distribution except the number of trials is…

A: The provided information is  The probability distribution function of geometric distribution is…

Q: A laundry shop averages 9 customers per hour. Assume that the number of customers is a Poisson…

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Q: Let R be the rate at which customers are served in a queue. Suppose that R is exponential with pdf…

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Q: Assume that a sample is used to estimate a population mean u. Find the margin of error M.E. that…

A: Given information Sample size (n) = 10 Sample mean x̅ = 33.8 Standard deviation (s) = 13.8…

Q: na batch of 23 pedometers, 3 are believed to be defective. A quality-control engineer randomly…

A: Given Information: There are 23 pedometers Among which 3 are defective. A random sample of 7 units…

Q: Question 5-7 refer to the following contingency table: The number (in thousands)of earned degrees…

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Q: Assume that a sample is used to estimate a population mean μμ. Find the margin of error M.E. that…

A: Given data: Sample size = 11 Sample mean  = 76.1 Sample standard deviation = 8.6 Confidence level =…

Q: 3. A decision-making procedure to find out whether there is a significant difference between a claim…

A: The objective is to find the correct option from the given choices.

Q: The total of individual weights of garbage discarded by 15 households in one week is normally…

A: The total of individual weights discarded by 15 households is normally distributed with mean 29.7…

Q: If X-N(7,4), the P(15.364 ≤ (x-7)²20.095) is

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Q: (7) The commuting distance(in miles) for 12 students is listed below. 11.5, 21.9, 12.7, 9.0, 19.2,…

A: 7)Given data is11.5, 21.9, 12.7, 9.0, 19.2, 18.5, 19.3, 1.9, 19.2, 0.8, 28.8, 17.7

Q: ssume that a sample is used to estimate a population proportion p. Find the margin of error M.E.…

A: The following information has been given: The sample size is n=275. The sample proportion is…

Q: To determine the proportion of Americans who support affirmative action policies for minorities and…

A: The objective is to define the sample size for estimating the true proportion of Americans, who…

Q: Does it take a different amount of time for seeds to germinate if they are near rock music that is…

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Q: HYPOTHESIS TESTING 1.) One of the undersecretaries of the Department of Labor and Employment (DOLE)…

A: The following information has been given: The sample mean is x¯=17350. The sample standard deviation…

Q: Vaccinated first born? Yes No Total Vaccinated both parents? Yes No 10 (10.5) 5 (4.5) 15 4 (3.5) 1…

A: The observed and the expected frequencies are given in the table. The researcher is interested to…

Q: Test the claim about the difference between two population means μ, and μ₂ at the level of…

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Q: A consumer advocacy group is doing a large study on car rental practices. Among other things, the…

A: Given,population standard deviation(σ)=750margin of error(E)=135α=1-0.99=0.01α2=0.005Z0.005=2.576…

Q: Suppose that the table shows the COVID-19 cases and deaths in some NCR cities during the COVID-19…

A: Given that: COVID-19 Cases, X COVID-19 Deaths, Y 820 8 560 6 470 2 680 4 660 5 1100…

Q: The amount of snowfall falling in a certain mountain range is normally distributed with a mean of 73…

A: Given information- Population mean, µ = 73 inches Population standard deviation, σ = 10 inches…

Q: Let X-F(4,8), then

A: X~F(4,8)

Q: 12. The table shows that the total of 10,000 people visited the shopping mall over 12 hours. What…

A: Here use given table of time and respective number of people visited the mall Here from given table…

Q: Suppose population 1 consists of all students who picked up all the tests they completed prior…

A: Given, For sample 1 : sample size (n1) = 56 sample mean (x̄1) = 83 sample variance (s1) = 10.4  For…

Q: The average number of cycles of charging of rechargeable batteries manufactures in a certain factory…

A: Given data: Mean = 485 Population standard deviation = 32

Q: A large university is curious if they should build another cafeteria. They plan to survey a sample…

A: A university is interested in building a cafeteria. The university surveys its students to find the…

Q: Don't drink and drive: A highway safety council reported that there were 3902 fatalities among…

A: The total number of fatalities is 3902.

Q: P(Z ≤ 0.77) = P(Z > 1.36) = P(-0.70 < Z < 2.06) =

A: From the provided information And using standard normal distribution table…

Q: 7- Suppose X, Y and Z be random variables with j.p.m.f. f(x, y, z) = kxyz with x E {1,2}, y = {1, 2,…

A: Given information: The value of k is obtained below:

Q: In Normal distribution, the highest value of ordinate occurs at O Mean O Variance Same value occurs…

A: The question is about property of normal distribution

Q: A population of porcupines has a normally distributed lifespan with a mean of 5.5 years and a…

A: The provided information is x¯=6.2µ=5.5σ=1.0n=12THe z-score is z=x¯-µσ/nz=6.2-5.51.0/12z=2.43

Q: Q7 Please answer fill-ins.

A: R square is the measure used in regression analysis. It explain the accuracy of the least square…

Q: Q3: Choose the correct answer Let X~F (4,8), then 3. The probability density function of X is O A 5…

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Q: UPVOTE will be given! STATISTICS AND PROBABILITY MULTIPLE CHOICE A consumer group believes that…

A: Given,n=800x=260p^=xnp^=260800=0.325population proportion(P)=0.30α=0.10

Q: The scatter plot shows the time spent texting, x, and the time spent exercising, y, by each of 23…

A: Solution  Given That,  The scatter plot shows the time spent texting, x, and the time spent…

Q: Consider events A and B that are independent. Let P(A) = 0.2 and P(B) = 0. probability that both…

A: Events A and B are independent. P(A)=0.2 P(B)=0.1

Q: (3) Identify each of the following study as observational or experimental (a) Measuring change in…

A: Given: The objective is to identify each of the following study as observational or experimental

Q: Sampling distribution Suppose population 1 is all blue cars sold at used car auctions, and the mean…

A: Answer:   Yes

Q: Suppose that scores on a particular test are normally distributed with a mean of 120 and a standard…

A: The provided information is  µ=120 σ=16 P(X&lt;x)=0.02…

Q: Suppose you take two SRS from a large population, one of size 800 and one of size 300. If you use…

A: To find: Which will have the smaller margin of error.

Q: 35. For each of the following, the sample mean, sample stand- confidence interval is given. Find the…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: An apple juice producer buys all his apples from a conglomerate of apple growers in one northwest…

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Q: A previous study gave (0.11, 0.23) as a confidence interval for p. Find the minimum sample size…

A: Given confidence interval for p is (0.11 , 0.23)Margin of error(E)=0.01confidence level=99%

Q: 1. Determine whether there is a significant difference on the perceived capabilities in research…

A: Anova is the analysis that used to compare the categorical variable which are numerical. It used to…