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Part A: Formulating the Hypotheses Formulate the Null and Alternative Hypotheses for the following statements: 1. The state lottery office claims that the average household income of those people playing the
lottery is at least $37,000. The marketing department for a hand calculator claims the battery pack performs 20,000
calculations before it has to be recharged. A pharmaceutical manufacturer is concerned that the mean impurity concentration in pills
should not exceed 3%. A company selling new econometrics computer software advertises that firms using this
software obtain, on average during the first year, a yield of not at least 10% on their initial
investments. A professional rock climber claims that he can climb a particular mountain within half an
hour. The manufacturer of a new product claims that his product will increase output per machine
by at least 38 units per hour.

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1. Let be the average household income of those people playing the lottery. Then H 0 : 3 7 0 0 0 H... View the full answer

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