Question: Assume that x is a binomial random variable with n = 20 and p = .5. Use Table I of Appendix B and the normal

Assume that x is a binomial random variable with n = 20 and p = .5. Use Table I of Appendix B and the normal approximation to find the exact and approximate values, respectively, of the following probabilities: LO8

a. P1x … 92

b. P1x Ú 112

c. P18 … x … 112

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