7. According to a 2014 Gallup poll, 56% of uninsured Americans who plan to get health insurance say they will do so through a government health insurance exchange. a) What is the probability that in a random sample of 10 people exactly 6 plan to get health insurance through a government health insurance exchange? b) What is the probability that in a random sample of 1000 people exactly 600 plan to get health insurance through a government health insurance exchange? c) What are the expected value and the variance of X?
7. According to a 2014 Gallup poll, 56% of uninsured Americans who plan to get health insurance say they will do so through a government health insurance exchange. a) What is the probability that in a random sample of 10 people exactly 6 plan to get health insurance through a government health insurance exchange? b) What is the probability that in a random sample of 1000 people exactly 600 plan to get health insurance through a government health insurance exchange? c) What are the expected value and the variance of X?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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