8.71 Choosing a Test and Naming the Population(s) For each of the following, state whether a one-proportion z-test or a
Posted: Mon Jul 11, 2022 11:28 am
8.71 Choosing a Test and Naming the Population(s) For each of the following, state whether a one-proportion z-test or a two-proportion z-test would be appropriate, and name the population(s). a. A polling agency takes a random sample of voters in California to determine if the ballot proposition will pass. b. A researcher asks a random sample of residents from coastal states and a random sample of residents from non-coastal states whether they favor increased off-shore oil drilling. The researcher wants to determine if there is a difference in the proportion of residents who support off-shore drilling in the two regions.