Aconsumer analyst reports that the mean life of a certain type of alkaline battery is no more than 63 months. write the null and alternative hypotheses and note which is the claim.

Solution-

The given statement,

the mean life of a certain type of alkaline battery is no more than 63 months.

Every hypothesis test carries two opposing statements, or hypothesis, about a population parameter. The first hypothesis is called the null hypothesis.

Null hypothesis always states that the population parameter is equal to the claimed value.

If the null hypothesis is rejected, then the alternative hypothesis is going to be claimed.

In this case, the alternative hypothesis is the claim.

step-by-step explanation:

most likely the answer is a.

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