# Z-Scores

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A Special Case of z-scores

You learned that 47.50% of the cases lie between the mean and a z-score of +1.96. For each answer, draw a normal curve, and shade in your answer.

A. What percentage of the cases lies between a z-score of -1.96 and 1.96?

B. What percentage of the area in normal curve lies in the tails after you remove the percentage between+1.96 and -1.96?

https://brainmass.com/statistics/z-test/percentage-cases-lies-between-score-157650

#### Solution Preview

A Special Case of z-scores

You learned that 47.50% of the cases lie between the mean and a z-score of +1.96. For each answer, draw a normal curve, and shade in ...

#### Solution Summary

The percentage of cases lies between a z-score of -1.96 and 1.96 is determined.

$2.49