The following two-way table displays information about favorite sports cars that resulted from a survey given to all students at Shore High School.
What is the probability that a randomly selected student from this school is a boy?
Assume that the failure probability for any one integrated circuit chip in a very large shipment is 0.10. Assuming that the assumptions underlying the binomial distributions are met, find the probability that at most 4 chips fail in a random sample of 20.
The probability at most 4 chips fail is ?.