Question: Let x be a continuous random variable that has a normal distribution with a mean of 117.6 and a standard deviation of 14.6. Find the

Let x be a continuous random variable that has a normal with a mean of 117.6 and a standard deviation of 14.6. Find the probability that x assumes a value
a. Between 77.9 and 98.3
b. Between 85.3 and 142.6

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