One pharmaceutical manufacturer claims that its medicine can cure the disease 80% of the time on average. If quality checker uses this medicine with 100 patients and set the criteria for accepting the claim that at least 75 patients must be cured. a) Find the probability that the checker rejects this claim, if the probability that this medicine can cure the disease is actually 80%.

b) Findtheprobabilitythatthecheckeracceptsthisclaim,eventhoughtheprobability that this medicine can cure the disease is just 70%.