The amount of bleach a machine pours into bottles has a mean of 36 oz.with a standard deviation of 0.15 oz.Suppose we take a random sample of 36 bottles filled by this machine.The sampling distribution of the sample mean will be approximately normal only if the population sampled is normal.

Question

Quizplus · Accepted Answer

According to the Central Limit Theorem, the sampling distribution of the sample mean will be approximately normal regardless of the shape of the population distribution, as long as the sample size is sufficiently large (which is generally considered to be 30 or more).

The Amount of Bleach a Machine Pours into Bottles Has