SOLUTION: Given that X∼N(44.6,57.67). Find the probability that a randomly chosen value from this population is less than 64

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Question 1180905: Given that X∼N(44.6,57.67). Find the probability that a randomly chosen value from this population is less than 64
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
sd is sqrt (V)=7.59
z=(x-mean)/sigma
z< (64-44.6)/7.59
z< 19.4/7.59=2.56
probability = 0.9948 (0.9947 unrounded)