Question: A recent business survey asked theater customers, "Do you prefer online or onsite ticket purchase?" The survey found that 62% of respondents prefer online while the remaining 38% prefer onsite purchase.
Part a) In a sample of 5 theater customers, what is the probability that only two of them prefer online purchase?
Part b) In a sample of 4 theater customers, what is the probability that at least two of them prefer onsite purchase?
Part c) In a sample of 3 theater customers, what is the probability that no one prefers online purchase?