Assume That X Is a Binomial Random Variable with N

question 137

Multiple Choice

Assume that x is a binomial random variable with n = 1000 and p = 0.80. Use a normal approximation to find P(800 < x ≤ 820) .

• A) 0.4314
• B) 0.4222
• C) 0.4474
• D) 0.0517

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