The Denver Post stated that 80% of all new products introduced in grocery stores fail (are taken off the market) within 2 years. If a grocery chain introduces 66 new products, what is the probability that within 2 years , 7 or more fail? What is the probability that within 2 years , 58 or fewer fail?
What is the probability that 15 or more succeed?
What is the probability that fewer than 10 succeed?