What is the z score for the college students

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A survey of 144 college students reveals a mean beer consumption rate of 8.4 beers per week with a standard deviation of 5.6.

If the national average is 7 beers per week, what is the z score for the college students? What P value does this corresponds to?

If the national average were four beers per week, what would the z score be? What can you say about the p value in this case?

Reference no: EM132394259

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