Approximate the following binomial probabilities by the use of normal approximation. Eight percent of customers of a bank keep a minimum balance of $500 in their checking accounts.
What is the probability that in a random sample of 100 customers exactly 6 keep the minimum balance of $500?
exactly 11 keep the minimum balance of $500?
6 or fewer keep the minimum balance of $500?
5 or more keep the minimum balance of $500?
10 or fewer keep the minimum balance of $500?
11 or fewer keep the minimum balance of $500?