x is a normally distributed random variable with a mean of 7 and a standard deviation of 2. The probability that x is between 6.48 and 7.56 is
A) 0.9524.
B) 0.0476.
C) 0.7872.
D) 0.2128.

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The Answer of x is a normally distributed random variable with a mean of 7 and a standard deviation of 2. The probability that x is between 6.48 and 7.56 is
A) 0.9524.
B) 0.0476.
C) 0.7872.
D) 0.2128.

X Is a Normally Distributed Random Variable with a Mean