For the given claim complete parts a and b below Claim The m

For the given claim, complete parts (a) and (b) below.

Claim: The mean weight of beauty pageant winners is 105 pounds. A study of 21 randomly selected beauty pageants resulted in a mean winner weight of 108 pounds.

a. Express the original claim in symbolic form.

b. Identify the null and the alternative hypotheses.

Solution

a)

claim :

mean weight of beauty pagen winners = 105

b)

let mean weight of beauty pageant winners is u

null hypothesis:

Ho: u = 105

alternate hypothesis

Ha: u != 105