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Mathematics, 02.08.2019 21:30 johnb9163
More hypotheses write the null and alternative hypotheses you would use to test each situation.
a) in the 1950s, only about 40% of high school graduates went on to college. has the percentage changed?
b) twenty percent of cars of a certain model have needed costly transmission work after being driven between 50,000 and 100,000 miles. the manufacturer hopes that a redesign of a transmission component has solved this problem.
c) we field-test a new-flavor soft drink, planning to market it only if we are sure that over 60% of the people like the flavor.
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More hypotheses write the null and alternative hypotheses you would use to test each situation.
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