Hypotheses For each of the following, write out the null and alternative hypotheses
Chapter 20, Problem 5(choose chapter or problem)
Hypotheses For each of the following, write out the null and alternative hypotheses, being sure to state whether the alternative is one-sided or two-sided. a) A company knows that last year 40% of its reports in accounting were on time. Using a random sample this year, it wants to see if that proportion has changed. b) Last year, 42% of the employees enrolled in at least one wellness class at the companys site. Using a survey, it wants to see whether a greater percentage is planning to take a wellness class this year. c) A political candidate wants to know from recent polls if shes going to garner a majority of votes in next weeks election.
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