On a certain television channel, 18% of commercials are local advertisers. A sample of 120 commercials is

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On a certain television channel, 18% of commercials are local advertisers. A sample of 120 commercials is selected.

a. What is the probability that more than 20% of the commercials in the sample are local advertisers?

b. Would it be unusual for more than 25% of the commercials to be local advertisers?

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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Question Posted: May 06, 2024 12:00 PM

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On a certain television channel, 18% of commercials are local advertisers. A sample of 120 commercials is

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Elementary Statistics

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