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Claim: The mean weight of beauty pageant winners is 123 pounds. A study of 21 randomly selected beauty pageants resulted in a mean winner weight

Claim: The mean weight of beauty pageant winners is 123

pounds. A study of 21 randomly selected beauty pageants resulted in a mean winner weight of 121

pounds.

a. Express the original claim in symbolic form.

b. Identify the null and the alternative hypotheses.

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