You decide to use the normal distribution to approximate the binomial distribution. You want to know the probability of getting from 7 to 13 heads…

You decide to use the normal distribution to approximate the binomial distribution. You want to know the probability of getting from 7 to 13 heads out of 20 flips of a fair, two – sided coin.ÿÿUse ? = 0.5 (a coin flip is a 50-50 shot, right?).