What requirements are necessary for a normal probability distribution to be a st

Question

What requirements are necessary for a normal probability distribution to be a standard normal probability distribution? a. Mean mu = _____ b. Std. Dev. sigma = _____ If you determine that for the graph of a standard normal distribution the cumulative area to the left of a z score is 0.4, what is the cumulative area to the right of that z score? P = _____ Find the indicated area under the curve of the standard normal distribution, then convert it to a percentage and fill in the blank: a. About _____% of the area is between z = -2 and z = -2 (or within 2 standard deviations of the mean.) b. About _____ % of the area is between z = -3.5 and z = 3.5 (or within 3.5 standard deviations of the mean)

Explanation / Answer

(1) Mean=0

S.D=1

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