40% 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

40% 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 5, b.more than 5, and c. at most 5