Question

The mean weight of male aerobics instructors in a certain city is at least 161 lbs. Express the null and alternative hypotheses in symbolic form for this claim.

H0:μH0:μ

Ha:μHa:μ

Use the following codes to enter the following symbols:
     ≥≥ enter >=
     ≤≤ enter <=
     ≠≠ enter !=

Answer 1

Solution:-

State the hypotheses. The first step is to state the null hypothesis and an alternative hypothesis.

Null hypothesis: u > 161(Claim)
Alternative hypothesis: u < 161

Note that these hypotheses constitute a one-tailed test.