STAT TECH IN BUSINESS & ECON AC
STAT TECH IN BUSINESS & ECON AC
18th Edition
ISBN: 9781264731657
Author: Lind
Publisher: MCG
Question
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Chapter 8, Problem 31CE

(a)

To determine

To describe: The shape of the distribution of the sample mean.

(b)

To determine

To find: The standard error of the distribution of the sample mean.

(c)

To determine

To find: The proportion of the samples will have a mean useful life of more than 36 hours.

(d)

To determine

To find: The proportion of the samples will have a mean useful life greater than 34.5 hours.

(e)

To determine

To find: The proportion of the samples will have a mean useful life between 34.5 and 36.0 hours.

(f)

To determine

To find: The probability that the sampling error would be less than or more than 1.

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