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# Solution: In Exercise, find the probabilities and indicate

ISBN: 9780321836960 18

## Solution for problem 30BSC Chapter 4.4

Elementary Statistics | 12th Edition

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Problem 30BSC

In Exercise, find the probabilities and indicate when the “5% guideline for cumbersome calculations” is used.

Airline Survey Among respondents asked which is their favorite seat on a plane, 492 chose the window seat, 8 chose the middle seat, and 306 chose the aisle seat (based on data from USA Today).

a. What is the probability of randomly selecting 1 of the surveyed people and getting one who did not choose the middle seat?

b. If 2 of the surveyed people are randomly selected without replacement, what is the probability that neither of them chose the middle seat?

c. If 25 different surveyed people are randomly selected without replacement, what is the probability that none of them chose the middle seat?

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