Question: A random variable is normally distributed with a mean of 50 and a standard deviation of 5. What is the probability the random variable

A random variable is normally distributed with a mean of 50 and

A random variable is normally distributed with a mean of 50 and a standard deviation of 5. What is the probability the random variable will assume a value between 45 and 55. The probability when Z-1 is .3413; Z 2 is 4772 and Z-3 is .4986

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