Assume That on the Previous Problem the Items That Failed

question 3

Short Answer

Assume that on the previous problem the items that failed were replaced with new items and their replacements were still operating at the end of fifteen hours.

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Definitions:

Standard Error

A statistical measure that estimates the accuracy with which a sample distribution represents a population by using the standard deviation.

Sampling Distribution

The probability distribution of a statistic based on all possible samples of a fixed size from a certain population.

Sampling Distribution

The distribution of a statistic obtained by selecting all possible samples of a specific size from a population.

Mean

The mean of a collection of numbers, determined by dividing the total sum of the values by the count of the values.