Let X be a normally distributed random variable with a mean of 12 and a standard deviation of 1.5.What proportions of the values of X are:
a.less than 14
b.more than 8
c.between 10 and 13

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The Answer of Let X be a normally distributed random variable with a mean of 12 and a standard deviation of 1.5.What proportions of the values of X are:
a.less than 14
b.more than 8
c.between 10 and 13

Let X Be a Normally Distributed Random Variable with a Mean