Need help with the following problems:

Assume that 31.6% of people have sleepwalked. Assume that in a random sample of 1478 adults, 50? have sleepwalked. a. Assuming that the rate of 31 ml: is correct] nd the probability that 50? or more of the 1478 adults have sleepwalked, b. Is that result of 507 or more signicantly high? c. What does the result suggest about the rate of 31.6%? f ..... \\ a. Assuming that the rate of 31 13% is correct, the probability that 50? or more of the 1478 adults have sleepwalked is Z. (Round to four decimal places as needed.) The probability olllu symptoms fora person not receIVIng any treatment is 0.015. ln a clinical trial ola common drug used to lower cholesterol, 19 or 1121 people treated experienced flu symptoms. Assuming the drug has no effect on the likelihood of flu symptoms, estimate the probability that at least 19 people experience u symptoms, What do these results suggest about u symptoms as an adverse reaction to the drug'? (a) P(X 219)::(Roundtoluur decimal places as needed) \f