Question: Q3: Experiments carried out over many years show that the probability that a patient has a reaction to Tamiflu is 0.05 A doctor treats 20 patients with Tamiflu.

What is the probability that 2 patient suffers a reaction to the Tamuflu?

What is the probability that more than 5 of the patients suffer a reaction to the tamiflu?

500 patients are treated in hospital with tamiflu.

What are the mean and the variance of the number of patients who suffer a reaction?

Find using a Normal approximation the probability that between 12 and 15 patients suffer a reaction to tamiflu