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Find the following binomial probabilities using the normal approximation a n

Find the following binomial probabilities using the normal approximation.

a. n = 70, p = .30, P(x = 18)

b. n = 200, p = .70, P(133 < x < 145)

c. n = 85, p = .40, P(x > 30)

d. n = 150, p = .38, P(x < 62)

a. n = 70, p = .30, P(x = 18)

b. n = 200, p = .70, P(133 < x < 145)

c. n = 85, p = .40, P(x > 30)

d. n = 150, p = .38, P(x < 62)

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