Assume that x is a binomial random variable with n = 100 and p = .5. Use the normal probability distribution to approximate the following probabilities:
a. P(x ≤ 48)
b. P(50 ≤ x ≤ 65).
c. P(x ≥ 70)
d. P(55 ≤ x ≤ 58)
e. P(x = 62)
f. P(x ≤ 49 or x ≥ 72)
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