If (95 %) of certain high-performance radial tires last at least 30,000 miles, find the mean and

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If $95 \%$ of certain high-performance radial tires last at least 30,000 miles, find the mean and the standard deviation of the distribution of the number of these tires, among 20 selected at random, that last at least 30,000 miles, using

(a) Table 1, the formula which defines $\mu$, and the computing formula for $\sigma^{2}$.

(b) the special formulas for the mean and the variance of a binomial distribution.

Data From Table 1

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Probability And Statistics For Engineers

ISBN: 9780134435688

9th Global Edition

Authors: Richard Johnson, Irwin Miller, John Freund

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Question Posted: Apr 21, 2024 05:00 AM

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If (95 %) of certain high-performance radial tires last at least 30,000 miles, find the mean and

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Probability And Statistics For Engineers

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