$X$ Is a Normally Distributed Random Variable with a Mean of of 10

$X$ is a normally distributed random variable with a mean of 10 and a standard deviation of $4.0$ . Find the value of $X$ for which $70.54 \%$ of the area under the distribution curve lies right of it. (Note: the diagram is not necessarily to scale.)

A) 8.92
B) 7.84
C) 11.89
D) 8.56

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