Refer to Exercise 6.41. Use the normal approximation to calculate P(x = 5) and P(x ≥ 7). Compare with the exact values obtained from Table 1 in Appendix I.
Reference:
Suppose the random variable x has a binomial distribution corresponding to n = 20 and p = .30. Use Table 1 of Appendix I to calculate these probabilities:
a. P(x = 5) b. P(x ≥ 7)
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