The area between two negative Z scores can be found by adding the z scores and f

Question

The area between two negative Z scores can be found by adding the z scores and finding the area below the total Z score subtracting the Z scores and finding the total area above the total Z score finding the area between each Z score and the mean and subtracting the smaller area from the larger finding the area between each Z score and the mean and adding the areas The probability that a randomly selected case will have a score beyond 1.00 standard deviation of the mean is 0.6826 0.5000 0.3174 1/2 of the area of 1 standard deviation

Explanation / Answer

ans=

10)

c.   finding the area between each Z score and the mean and subtracting the smaller area from the larger.

11)Using the formula to calculate the z value, we find z = (x – )/ = (600 – 500)/100 = +1.00. Recall that the z-score is the number of standard deviations that the score of interest differs from the mean z value

0.3174

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