A survey by KRC Research for U.S. News reported that 37% of people plan to spend more on eating out after they retire. If eight people are randomly selected, then determine the
a. expected number of people who plan to spend more on eating out after they retire
b. standard deviation of the individuals who plan to spend more on eating out after they retire
c. probability that two or fewer in the sample indicate that they actually plan to spend more on eating out after retirement