77 Assume that x is a binomial random variable with n = 25 and p = .5.
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77 Assume that x is a binomial random variable with n = 25 and p = .5. Use Table II of Appendix: Tables and the normal approximation to find the exact and approximate values, respectively, of the following probabilities:
a. P(x … 11)
b. P(x Ú 16)
c. P(8 … x … 16)
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