Question: INSTRUCTION: Write the null (H?) and alternative (Ha) hypothesis for the following cases or problems. 1.A company claims that its employees work an average of
INSTRUCTION: Write the null (H?) and alternative (Ha) hypothesis for the following cases or problems. 1.A company claims that its employees work an average of 40 hours per week. An auditor wants to test if employees are actually working less than this amount. 2.A nutritionist believes that the average daily caloric intake of adults in a certain city is 2,200 calories. They conducted a study to see if this is accurate. 3.A school introduces a new study program and claims it will increase students' average test scores to 85. A researcher tests if this claim is met. 4.A bottling company wants to check if its new machine is filling bottles with an average of exactly 500 ml of liquid. 5.A manufacturer claims that their light bulbs last an average of 1,200 hours. A consumer organization wants to test if the actual lifespan is shorter.

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