A single strand of spaghetti should be 11 inches long. The employee in charge of the machine that cuts the spaghetti thinks the

Question

A single strand of spaghetti should be 11 inches long. The employee in charge of the machine that cuts the spaghetti thinks the machine is producing shorter strands. She randomly samples 26 strands of spaghetti and measures them. She calculates a sample mean of 10.87 inches with a sample standard deviation of 0.46 inches. Perform a significance test using a significance level of a = 0.10 and use the result to make a strategic decision.
 The employee should not adjust the machine that cuts the spaghetti.
 The employee should set the machine to cut the spaghetti in shorter intervals.
 The employee should set the machine to cut the spaghetti in longer intervals.
The employee should reduce the amount of ingredients used to make each batch of spaghetti.

Kunduz · Accepted Answer

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