# Week 3 test 2.docx - Part 1 of 6 - Binomial Distribution...

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Part 1 of 6 - Binomial Distribution3.0/ 5.0 PointsQuestion 1 of 201.0/ 1.0 PointsSuppose a random variable, x, arises from a binomial experiment. If n = 25, and p = 0.85, find
Question 2 of 201.0/ 1.0 PointsIt is known that 50% of adult workers have a high school diploma. If a random sample of 8 adultworkers is selected, what is the probability that less than 6 of them have a high school diploma?
Question 3 of 200.0/ 1.0 PointsSuppose a random variable, x, arises from a binomial experiment. If n = 14, and p = 0.13, find
Question 4 of 200.0/ 1.0 PointsIt was found that 60% of people have a dog as a pet. If a random sample of 11 people is selected,what is the variance of the number of people that have a dog as a pet? (That is, what is Var(X)?)
Answer Key:2.64Feedback:=11*0.6*0.4Question 5 of 201.0/ 1.0 PointsApproximately 8% of all people have blue eyes. A random sample of 20 people is selected, find
Answer Key:1.6Feedback:20*.08Part 2 of 6 - Contingency Tables1.0/ 1.0 Points

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