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.