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An adult height in North America is normally distributed with a mean of 65 inches and...

An adult height in North America is normally distributed with a mean of 65 inches and a standard deviation of 3.5 inches.

1. Find the probability that the height is between 64 and 66 inches P(64<X<66)



2. Find the probability that the height is greater than 70 inches. P(X>70).



3. The middle 40% of heights fall between what two values? P(x1 < X < x2)

so beyond lost on this one

Math   Statistics-And-Probability   
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