SOLUTION: if the mean weight of children age 7 is 50 lbs and a standard deviation of 10, what is the probability taht a randomly selected seven year old will weigh less than 65 lbs?
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Question 868182: if the mean weight of children age 7 is 50 lbs and a standard deviation of 10, what is the probability taht a randomly selected seven year old will weigh less than 65 lbs?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
z = (65-50)/10 = 15/10 = 1.5
P(z < 1.5) = 93.32%
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