27. The manager of an automobile dealership is considering a new bonus plan to increase sales. Currently, the mean sales rate per salesperson is five automobiles per month. The correct set of hypotheses to test the effect of the bonus plan is a. H0: µ < 5 Ha: µ ≤ 5 b. H0: µ ≤ 5 Ha: µ > 5 c. H0: µ > 5 Ha: µ ≤ 5

27. The manager of an automobile dealership is considering a new bonus plan to increase sales. Currently, the mean sales rate per salesperson is five automobiles per month. The correct set of hypotheses to test the effect of the bonus plan is
a. H0: µ < 5 Ha: µ ≤ 5 b. H0: µ ≤ 5 Ha: µ > 5
c. H0: µ > 5 Ha: µ ≤ 5

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