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? d) What is the probability that less than 600 people plan to get health insurance through a government health insurance exchange?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
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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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?
d) What is the probability that less than 600 people plan to get health insurance through a government health
insurance exchange?
Transcribed Image Text: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? d) What is the probability that less than 600 people plan to get health insurance through a government health insurance exchange?
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