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Question 8,9,10 8. Let X have a normal distribution with mean u= 30 and standard deviation o= 10. Calculate P(X>40). Round to two decimal places.

Question 8,9,10

8. Let X have a normal distribution with mean u= 30 and standard deviation o= 10. Calculate P(X>40). Round to two decimal places. (4 pts) 9. For a standard normal variable Z, compute P(Z

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