Seventy percent of households say they would feel secure if they had $50,000 in savings
Seventy percent of households say they would feel secure if they had $50,000 in savings. You randomly select
8 households and ask them if they would feel secure if they had $50,000 in savings. Find the probability that the number that say they would feel secure is (a) exactly five, (b) more than five, and (c) at most five.
Please show work