(Answered) A researcher wishes to best test the claim that the average

Statistics

A researcher wishes to best test the claim that the average age of lifeguards in new york city is less than 25 years. She selects a sample of 36 guards. Find the mean sample to be 24.7 years. With a standard deviation of 3 years. Is there evidence to support the claim at C,V= -1.70 find the P value

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