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Answer (Choose 1 answer)
☐ A
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A. 0.079
☐ C
B. 0.725
C. 0.275
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D. 0.921
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sh the exam.
Suppose that X is a Poisson random variable with λ = 9. Use normal
distribution to approximate the probability 10 < x < 15.
Let P(Z<1.83) = 0.966; P(Z<0.74) = 0.770; P(Z<0.5) = 0.691
