In Exercises 6.143-6.160, X denotes a binomial random variable with parameters n and p. For each exercise,

Question:

In Exercises 6.143-6.160, X denotes a binomial random variable with parameters n and p. For each exercise, indicate which area under the appropriate normal curve would be determined to approximate the specified binomial probability.
a. P(X = 8)
b. P(X = 6)
c. P(X < 7)