Question: If X is a normal random variable with mean 15 and standard deviation 10, then the probability that X will have a negative value is:

If X is a normal random variable with mean 15 and standard deviation 10, then the probability that X will have a negative value is: Select one: O a. 0.432 O b. 0.9332 O c. 0.8664 d. None of the others e. 0.0668

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