Question: need full ans The mean of a normal probability distribution is 500; the standard deviation is 10 a. About 68% of the observations lie between

need full ans

The mean of a normal probability distribution is 500; the standard deviation is 10 a. About 68% of the observations lie between what two values? Lower Value Upper Value b. About 95% of the observations lie between what two values? Lower Value Upper Value c. Nearly all of the observations lie between what two values? Lower Value Upper Value

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