Question on normal random variable

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Assume that stock is currently selling for $100. The change in the stock's price during the nest year follows a normal random variable with a mean of $10 and a standard deviation of $20. What is the probability (rounded to the nearest hundredth) that the stock will sell for at least $120 in a year's time?

a) .31

b) .16

c) .25

d) .35

e) .40

Reference no: EM1392798

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