A Manufacturer of Power Tools Claims That the Mean Amount

question 63

Short Answer

A manufacturer of power tools claims that the mean amount of time required to assemble their top-of-the-line table saw is 80 minutes with a standard deviation of 40 minutes.Suppose a random sample of 64 purchasers of this table saw is taken.The standard deviation of the sampling distribution of the sample mean is _____ minutes.

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Definitions:

Rational

Based on or in accordance with reason or logic; a way of thinking or decision-making that is logical and based on facts and evidence.

Available Information

Refers to data or knowledge that can be accessed by individuals or systems at a given time.

Optimizing Decision

A decision that chooses the alternative giving the absolute best solution to a problem.

Symptoms

Observable signs or indicators of a condition or trend, typically referring to manifestations of an underlying issue or disease.