The Diameter of 3 $\alpha$ = 005, the Appropriate Decision Is ___

question 39

Multiple Choice

The diameter of 3.5 centimetre discs is normally distributed.Periodically, quality control inspectors at Winnipeg Discs randomly select a sample of 16 discs.If the mean diameter of the discs is too large or too small the disc punch is shut down for adjustment; otherwise, the punching process continues.The last sample showed a mean and standard deviation of 3.55 and 0.08 centimetres, respectively.Using $\alpha$ = 0.05, the appropriate decision is ___.

• A)reject the null hypothesis and shut down the punch
• B)reject the null hypothesis and do not shut down the punch
• C)do not reject the null hypothesis and shut down the punch
• D)do not reject the null hypothesis and do not shut down the punch
• E)do nothing

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Definitions:

Priorities

The tasks, activities, or goals deemed most important and that require attention before anything else.

Daunting Project

A task or project that appears intimidating or insurmountably challenging at first glance.

Procrastinating

The act of delaying or postponing tasks or decisions, often leading to stress, anxiety, or subpar performance.

Time Management Strategy

Techniques or methods employed to use one's time effectively and efficiently.