Help with the following:

EE Z-score Calculator G 1. DETAILS MY NOT Determine whether each of the following questions would be most appropriately answered by constructing a confidence interval, by performing a hypothesis test, or neither. (a) Why has the birth rate in the United States decreased over the past 60 years? O Hypothesis test Confidence interval Neither Hypothesis test (b) What percentage of adults in the United States prefer sleeping on their side as opposed to sleeping on their back or stomach? Confidence interval Neither (c) What is the mean number of hours per week that adults in the United States exercise? Hypothesis test Confidence interval Neither (d) Has the mean inflation-adjusted household income in the United States changed in the past 10 years? O Hypothesis test Confidence interval Neither (e) Do adults in the United States prefer Coke over Pepsi? O Hypothesis test Confidence interval Neither cc 09 3 - O Record Breakout Rooms Reactions Whiteboards Share Screen Polls/Quizzes Live Transcript Mute Start Video Security Participants Chat