State the null and alternative hypotheses to be used in
Chapter , Problem 6.90(choose chapter or problem)
State the null and alternative hypotheses to be used in testing the following claims, and determine generally where the critical region is located: (a) At most, 20% of next years wheat crop will be exported to the Soviet Union. (b) On the average, American homemakers drink 3 cups of coffee per day. (c) The proportion of college graduates in Virginia this year who majored in the social sciences is at least 0.15. (d) The average donation to the American Lung Association is no more than $10. (e) Residents in suburban Richmond commute, on the average, 15 kilometers to their place of employment.
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