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Solved: In a poll conducted by the Gallup organization,
Chapter 7, Problem 9CT(choose chapter or problem)
In a poll conducted by the Gallup organization, 16% of adult, employed Americans were dissatisfied with the amount of their vacation time. You conduct a survey of 500 adults, employed Americans.
(a) Approximate the probability that exactly 100 are dissatisfied with their amount of vacation time.
(b) Approximate the probability that less than 60 are dissatisfied with the amount of their vacation time.
Questions & Answers
QUESTION:
In a poll conducted by the Gallup organization, 16% of adult, employed Americans were dissatisfied with the amount of their vacation time. You conduct a survey of 500 adults, employed Americans.
(a) Approximate the probability that exactly 100 are dissatisfied with their amount of vacation time.
(b) Approximate the probability that less than 60 are dissatisfied with the amount of their vacation time.
ANSWER:Answer :
Step 1 :
Given,
In a poll conducted by the Gallup organization, 16% of adult, employed Americans were dissatisfied with the amount of their vacation time. You conduct a survey of 500 adult, employed Americans