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Answer (Choose 1 answer)
Suppose that X is a binomial random variable with n=200 and p = 0.4 If you want to approximate P (70<X<90) by computing the area under an appropriate normal curve.According to the continuity correction, the most appropriate continuous interval value that we should use is:
A. 705<x<89~5
B. 69~5<x<95
C. 71<x<91
D. 70<X<905
