For each claim, state H0 and Ha in words and in symbols. Then determine whether the hypothesis

Question:

For each claim, state H0 and Ha in words and in symbols. Then determine whether the hypothesis test is a left-tailed test, right-tailed test, or two-tailed test. Sketch a normal sampling and shade the area for the P-value.
1. A consumer analyst reports that the mean life of a certain type of automobile battery is not 74 months.
2. A realtor publicizes that the proportion of homeowners who feel their house is too small for their family is more than 24%.
a. Write H0 and Ha in words and in symbols.
b. Determine whether the test is left-tailed, right-tailed, or two-tailed.
c. Sketch the sampling and shade the area for the P-value.
Distribution
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