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 1.95. Conduct an appropriate hypothesis test
to the national poll results.
Is this a right-tail test? (type Yes or No)
What is the appropriate p-value? (round to 4 digits after the
decimal, include a 0 to the left of the decimal, e.g. 0.1234)
Does the sample evidence support the national poll results at a
10% significance level? (type Yes or No)
A national poll stated that most Americans exercise more than two days a week. A random sample of 105 Americans found th
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