From a population consisting of 20, 28, 32, 38, and 40, a sample of size 2 will be selected without replacement. a) List down all the possible sample of size 2 without replacement and find the mean of each sample.  b) Give the probability distribution of the sample mean, x̄.

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A: Obtain the probability that exactly 3 of them use their smart phones in meetings or classes. The…

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Q: Assume 106 eligible voters (aged 18-24) are randomly selected.  Suppose a previous study shows 22%…

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Q: Assume that when adults with smartphones are randomly​ selected, 57​% use them in meetings or…

A: Binomial Distribution :  The binomial probability is a type of discrete probability distribution…

Q: Assume that when adults with smartphones are randomly​ selected, 59% use them in meetings or…

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Q: Assume that when adults with smartphones are randomly​ selected, 54​% use them in meetings or…

A: Given,n=8p=0.54X~binomial(n=8 , p=0.54)P(X=x)=cxn px (1-p)n-x ; x=0,1,2,3......n

Q: Assume that when adults with smartphones are randomly selected, 45% use them in meetings or classes.…

A: According to the provided information, we have P(Adults with smartphones use them in meetings or…

Q: Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes.…

A: Given p=0.55 and n=25 Let X be the adults using smartphones in meetings and classes X ~ B(n, p)…

Q: Assume that when adults with smartphones are randomly​ selected, 53​% use them in meetings or…

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Q: Assume that when adults with smartphones are randomly​ selected, 56​% use them in meetings or…

A: Consider X be a random variable which follows binomial distribution indicates the smartphone users…

Q: Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes.…

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Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…

A: Obtain the probability that exactly 20 of them use their smart phones in meetings or classes.   The…

Q: Assume that when adults with smartphones are randomly​ selected, 59​% use them in meetings or…

A: It is given that n is 12 and p is 0.59.

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Q: Assume that when adults with smartphones are randomly​ selected, 62​% use them in meetings or…

A: The probability that at least 9 of them use their smartphones in meetings or classes is obtained…

Q: Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes.…

A: Given , n = 9 ,  p = 0.39  Let , random variable X be the number adults use there smartphones in…

Q: Assume that when adults with smartphones are randomly​ selected, 51​% use them in meetings or…

A: Let X be the adults with smartphone X~B(n=10, p=0.51) P(X>=5)= ?

Q: 1. Find the probability distribution for the random samples of committees of size 4 chosen from 8…

A: Probability distribution is the mathematical function that gives the probabilities of occurrence of…

Q: Assume that when adults with smartphones are randomly selected,49% use them in meetings or classes.…

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A: Given: n= 40 P( green) = 0.15

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A: A jury pool consists of 32 people, 15 people aged 45-60 and 17 people aged 25-44. The number of ways…

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Q: Assume that when adults with smartphones are randomly​ selected, 46% use them in meetings or…

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A: The population is 20, 80 and 100.

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A: According to health publication, 17.3% of persons under age of 65 have no health insurance coverage.…

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A: Introduction:The probability model for an experiment, where k successes are obtained in n trials…

Q: Assume that when adults with smartphones are randomly​ selected, 39​% use them in meetings or…

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Q: Assume that when adults with smartphones are randomly​ selected, 41​% use them in meetings or…

A: Consider X be a random variable which follows binomial distribution indicates the smartphone users…

Q: Assume that when adults with smartphones are randomly​ selected, 43​% use them in meetings or…

A: According to the provided information, p=0.43 n=10

Q: Assume that when adults with smartphones are randomly​ selected, 57​% use them in meetings or…

A: Given: Number of samples (n) = 20 Probability of success (p) = 0.57 Probabilty of failure (q) = 1-p…

Q: Assume that when adults with smartphones are randomly​ selected, 41%use them in meetings or classes.…

A: From the provided information, Sample size (n) = 6 Assume that when adults with smartphones are…

Q: assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes.…

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Q: Assume that when adults with smartphones are randomly​ selected,57​% use them in meetings or…

A: The probability that at least 7 of them use their smartphones in meetings or classes is obtained…

Q: Assume that when adults with smartphones are randomly​ selected, 56​% use them in meetings or…

A: Let "X" be the adults who use their smartphones in meetings or classes.

Q: Assume that when adults with smartphones are randomly selected, 57% use them in meetings or classes.…

A: Given: n=12 p = 0.57 x ~ Bin(12, 0.57)   Find the probability that x is less than 5.

Q: Assume that 158 voters aged 18-24 are randomly selected, suppose 22% of them voted. The probability…

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Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes.…

A: Given: To find the probability that at least five people use thier smartphones in meeting and…

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Q: Assume that when adults with smartphones are randomly​ selected, 58​% use them in meetings or…

A: Given, Assume that when adults with smartphones are randomly​ selected, 58​% use them in meetings or…

Q: Assume that when adults with smartphones are randomly​ selected, 49​% use them in meetings or…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 59% use them in meetings or…

A: From the provided information, 59% of adults use smartphones in meeting or classes that is (p) =…

Q: Assume that when adults with smartphones are randomly​ selected, 52​% use them in meetings or…

A: Given n = 13, p = 0.52, x = 5 X be the random variable of adults using smartphones in meetings or…

Q: A jury pool consists of 30 people, 18 men and 12 women. Compute the probability that a randomly…

A: From the provided information, A jury pool consists 30 people. Total men = 18 Total women = 12

Q: Assume that when adults with smartphones are randomly​ selected, 57​% use them in meetings or…

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Q: Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes.…

A: Given that  Proportion of people use in meetings or classes = 52%  p = 0.52 (1-p) = (1-0.52) = 0.48…

Q: Assume that when adults with smartphones are randomly​ selected, 51 % use them in meetings or…

A: Introduction to binomial distribution: Consider a random experiment involving n independent trials,…

Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…

A: The probability that exactly 5 of them use their smartphones in meetings or classes is obtained…