A market survey shows that 75 % of all households own a VCR. Suppose 100 households are

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A market survey shows that 75 % of all households own a VCR. Suppose 100 households are surveyed.

(a) What is the probability that none of the households surveyed owns a VCR?

(b) What is the probability that exactly 75 of the households surveyed own a VCR?

(c) Suppose X is the number of households that own a VCR. Compute the mean and variance for X.

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Statistics For Business And Financial Economics

ISBN: 9781461458975

3rd Edition

Authors: Cheng Few Lee , John C Lee , Alice C Lee

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Question Posted: Feb 10, 2024 01:12 PM

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A market survey shows that 75 % of all households own a VCR. Suppose 100 households are

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This problem can be solved using the binomial distribution The binomial distribution is used when there are exactly two mutually exclusive outcomes of ...View the full answer

Statistics For Business And Financial Economics

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