75% of households say they would feel secure if they had $50,000 in savings.
January 9th, 2018
75% 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 sucure is (a) exactly five, (b) more than five, and (c) at most five.(a) Find the probability that the number that say they would feel secure is exatly five.P(5) =