19. Dark Chocolate Despite reports that dark chocolate is beneficial to the heart, 47% of adults still
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19. Dark Chocolate Despite reports that dark chocolate is beneficial to the heart, 47% of adults still prefer milk chocolate to dark chocolate.14 Suppose a random sample of n55 adults is selected and asked whether they prefer milk chocolate to dark chocolate.
a. What is the probability that all five adults say that they prefer milk chocolate to dark chocolate?
b. What is the probability that exactly three of the five adults say they prefer milk chocolate to dark chocolate?
c. What is the probability that at least one adult prefers milk chocolate to dark chocolate?
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Related Book For 
Introduction To Probability And Statistics
ISBN: 9780357114469
15th Edition
Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver
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