In a recent survey of ethnicity and church attendance within theU.S., the percentage who report attending weekly was 29.7% amongwhites, 40.7% among blacks, 29.8% among Hispanics, and 26.1% amongall other races combined. Given that 72% of the U.S. populationidentifies themselves as white, 13% as black, 6% as Hispanic, and9% as another race, answer the following questions.

A. What proportion of the U.S. population is black and attendschurch weekly?

B. What percentage of Americans attends church weekly?

C. Given an individual attends church weekly, what is theprobability that person is black?

D. To determine if race and church attendance are independent,one could show