a)The College Board reports that 2% of the 2 million high school students who take the SAT each year receive special accommodations because of documented disabilities (Los Angeles Times, July 16, 2002). Consider a random sample of 25 students who have recently taken the test. What is the probability that exactly 1 received a special accommodation?

b)If bolt thread length is normally distributed, what is the probability that the thread length of a randomly selected bolt is Between 1 and 2 SDs from its mean value?