Question
A national poll stated that most Americans exercise more than two days a week. A random sample of 105 Americans found that the average number
A national poll stated that most Americans exercise more than two days a week. A random sample of 105 Americans found that the average number of days they exercised each week was 2.17, with a standard deviation of 2.14. Is there sufficient evidence to support the poll results?
Hint: H1: mean days exercising > 2
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Elementary Differential Equations
Authors: William E Boyce, Richard C DiPrima, Douglas B Meade
11th Edition
1119169879, 9781119169871
