μ = 3, o² = 9, P(-6 < X < 12) a. Determine P(u - ko < X < µ+ ko) ≥ 1 − 1/k²

Q: In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…

A: Givenp=0.85n=20Let "x" be the no.of people are unware that maintaining a healthy weightcould reduce…

Q: Compute the expected value for X.

A: here  given  joint distribution of X and Y  here E(X) = ∑X.p(X)

Q: Q4. A shipment of two boxes, each containing eight telephones, is received by a store. Box 1…

A:

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Q: 2. A vaccine is found to be 85% effective in preventing a certain disease. The vaccine is given to…

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Q: 2. The CPU time requirement X of a typical job can be modeled by the following hyperexponential…

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Q: According to an article published at heart.org in 2015 regarding a variety of US health data: Given…

A: Solution: Given information: Let A  be the event that someone in the US has a first time  heart…

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Q: If 4 marbles are pulled from the bucket, determine the number of different 4-sets of marbles that…

A: There are 13 marbles which contains 8 red ad 5 blue marbles. (i)When 4 marbles are pulled, where 2…

Q: The average number of classic comic books sold per week at your store is 28. What is probability…

A: The following information has been provided: The average number of classic books sold in 7 days=28…

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Q: (f) Chi-square tests are most appropriate for data that OA. are categorical. B. have small standard…

A: we know that the specific distribution used in the specific case. i.e. according to the data we…

Q: 12. There are 15 members on the board of directors for the Kaweah Delta Hospital. If they must elect…

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Q: 11. Manfred is considering job offers of the same type of sales position from two retailers with…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: In probability theory, rolling a die is considered to be an experiment. What is the term that…

A: The die is rolled and die shows the number 2.

Q: A nuclear power station is to be built on one of 20 possible sites. A team of engineers is…

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Q: The probability of finding a significant result if the hypothesis is true is called statistical…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: A child is allowed to have 2 treats from a bag containing 21 chocolates, 11 hard candies, and 10…

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Q: no 6 is the question at the lowest part,i know how to solve no 5,can u help to solve no 6?

A: 1

Q: Jalen Hurts' pass completion percentage last season was 61.3%. Based on relative frequency…

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Q: 20. Judgmental sampling is a form of convenience sampling in which the population elements are…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: The healing time for a broken clavicle is from a Normal distribution with a mean of 41 days and a…

A: Given,mean(μ)=41standard deviation(σ)=6

Q: tribution of lifetimes of fluorescent lightbulbs. Calculate the shaded area under the curve. Express…

A: Given: Population mean time  μ=5.6 Population standard deviation  σ=1.50000 Let X ~ N(5.6, 1.50)

Q: Q9] Of a lot of 10 items, 2 are defective. (a) Find the number of different samples of 4. Find the…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: ntinuous random variable has the density function x + 1 1<x<5 f(x)=160 0, elsewhere. Find the…

A: solution

Q: Q6/ Find the probabilities that a random variable having the standard normal distribution will take…

A: Required probability is P(0.87&lt;Z&lt;1.28)

Q: 15. Lottery Prizes A lottery offers one $1000 prize, one $500 prize, and five $100 prizes. One…

A: The answer is attached below,

Q: Each license plate in a certain state has five characters (with repeats allowed). Here are the…

A: Given dataEach license plate in a certain state has 5 characters (with repeats allowed) character…

Q: What happens to the width of a confidence interval as we increase confidence level, i.e as we…

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Q: Primary and secondary routes connecting two computers need to be chosen. Two primary routes are…

A: The routes are primary and secondary.

Q: a. The standard deviation is 2.4. Find and interpret the range. b. The quartiles are Q1-0, median=0,…

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Q: Consider two events A and B such that P(A|B) = 0.3, P(A) = 0.6 and P(B) = 0.4. (a) Based on the…

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Q: he lengths of pregnancies are normally distributed with a mean of 271 days and a standard deviation…

A:

Q: What is the value of the 50th percentile in a Standard Normal distribution (mean = 0, standard…

A: The mean is 0 and the standard deviation is 1.

Q: 29 percent of all Samsung cell phones are submitted for service while under warranty. Of these, 66…

A: Given: p(submitted for for service) = 0.29 p(repaired |submitted ) = 0.66 p(replaced | submitted ) =…

Q: 5.2 Table shows the percentage frequency table for the petrol brand most preferred by 50 motorists…

A: The provided information is  Petrol performance counts percentage BP 13 26% Caltex 9 18%…

Q: .) Create a probability distribution for a player’s winnings in one game. b.)Find the expected…

A: here given , A casino game involves a deck of 20 cards, 3 of which have a gold star on them. A…

Q: A flu shot is administered during flu season. We look at the effect of the shot on individuals who…

A: 1)Givensample size(n)=100Mean(x)=4standard deviation(s)=1confidence level=95%

Q: 3. A recent report was issued that suggested 45% of all cell phone calls in 2022 will be scams.…

A: If the sample size is small with probability of success rate they follow binomial distribution with…

Q: (1) (11) Show all the possible outcomes with a tree diagram. Find the probability that two heads and…

A: Here given three coins are Thown And take head = H tail = T  P(H) = 1/3 P(T) = 2/ 3

Q: 4. In a random check on an assembly line, the probability of finding a defective item is 0.005.…

A: Givenprobability of finding a defective item (p)=0.005n=15Let "x" be the no.of defective…

Q: The following table gives the data for the grades on the midterm exam and the grades on the final…

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Q: The probability that Mr. Johnson goes for an evening walk on any given day during the winter is…

A: Formula : E(X) = np'

Q: A group of 30 manufactured of concrete pipes contain 8 defective pipes and 22 non-defective pipes. A…

A: Solution-: Given: N=30, n=5,M=8, X=3 We want to find P(exactly 3 defective pipes)=?

Q: i) Calculate an approximate 98% confidence interval with a conclusion for the true proportion of…

A: here given  a few universities and found that 592 out of 1200 students have problems with their…

Q: upvote your answer, otherwise I'll ote uppose that the weight of an newborn fawn is Uniformly…

A: Given Mean=2.3 Standard deviations =3

Q: Consider the sample space S = {Silicon, Germanium, Nitrogen, Gallium, Carbon, Indium} and the events…

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Q: a) between 0.87 and 1.28; b) between -0.34 and 0.62; c) greater than 0.85; d) greater than -0.65.

A:

Q: Is the number of games won by a major league baseball team in a season related to the team batting…

A: The following information has been given: x (Games won) y (Batting Average) 83 264 117 261…

Q: 6. (简答题, 9.0分) f(x)= Suppose that the random variable X has the following density function (1) Find…

A: