Find out whether hypothesis test is left-tailed

Reference no: EM13471828

For the following statements, state the null and alternative hypotheses and identify which represents the claim. Determine when a type I or type II error occurs for a hypothesis test of the claim. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed, and explain your reasoning. Explain how you should interpret a decision that rejects the null hypothesis. Explain how you would interpret a decision that fails to reject the null hypothesis.

a. It is reported that the number of residents in Wisconsin who support plans to recall the governor is 48%.

b. An Amish bakery store states that the average shelf life of their fresh baked goods is seven days.

c. A soda manufacturer states that the average number of calories in the regular soda is less than 150 calories per serving.

Reference no: EM13471828

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