X is a normally distributed random variable with a mean of 9.0 and a standard deviation of 3.00. Find the value x such that P(X

Question

X is a normally distributed random variable with a mean of 9.0 and a standard deviation of 3.00. Find the value x such that P(X < x) is equal to 0.86. (Note: the diagram is not necessarily to scale.) 
A) 12.24 
B) 10.47 
C) 13.95 
D) 9.00

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The Answer of X is a normally distributed random variable with a mean of 9.0 and a standard deviation of 3.00. Find the value x such that P(X < x) is equal to 0.86. (Note: the diagram is not necessarily to scale.) 
A) 12.24 
B) 10.47 
C) 13.95 
D) 9.00

X Is a Normally Distributed Random Variable with a Mean