The number of calories in a certain dessert is normally distributed with a mean of 210 and a standard deviation of 12. Find the probability that the dessert one select will contain between 185 and 216.

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$P (185 < X < 216) = P (X < 216) - P (X \leq 185)$

$=P(Z<\dfrac{216-210}{12})-P(Z\le\dfrac{185-210}{12})$

$\approx P(Z<0.5)-P(Z\le -2.083333)$

$\approx 0.69146-0.01861\approx0.6729$