Question: Given that X is a normally distributed random variable with a mean of 50 and a standard deviation of 2, what is the probability that

Given that X is a normally distributed random variable with a mean of 50 and a standard deviation of 2, what is the probability that

(a) X is between 47 and 54?

(b) X is less than 55?

(c) There is a 90% chance that X will be less than what value?

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