Public Opinion reported that 5% of Americans are afraid of being alone in a house at night.

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Public Opinion reported that 5\% of Americans are afraid of being alone in a house at night. If a random sample of 20 Americans is selected, find these probabilities by using the binomial table in Appendix A.

a. There are exactly 5 people in the sample who are afraid of being alone at night.

b. There are at most 3 people in the sample who are afraid of being alone at night.

c. There are at least 3 people in the sample who are afraid of being alone at night.

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Elementary Statistics A Step By Step Approach

ISBN: 9781260360653

11th Edition

Authors: Allan Bluman

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Question Posted: May 08, 2024 10:00 AM

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Public Opinion reported that 5% of Americans are afraid of being alone in a house at night.

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Step by Step Answer:

a n20 p005 and X5 From the table we get 0002 b n20 and p005 At most 3 people m...View the full answer

Elementary Statistics A Step By Step Approach

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