21) To test the claim that mean weight is not equal to 166.3 lbs., a sample of 40 people showed that the sample mean was 172.55 and the sample...

21) To test the claim that mean weight is not equal to 166.3 lbs., a sample of 40 people showed that the sample mean was 172.55 and the sample standard deviation (s) was found to be 26.33 lbs. Find the p value for this test (note that population standard deviation sigma is unknown so that this is t-test).

Question 21 options:

10% to 20%

greater than 10%

less than 10%

5% to 10%