Find the indicated z-score.
-Find the z-scores for which 98% of the distribution's area lies between -z and z.
A) (-2.33, 2.33)
B) (-1.645, 1.645)
C) (-0.99, 0.99)
D) (-1.96, 1.96)

Question

Quizplus · Accepted Answer

For 98% of the distribution's area to lie between -z and z, the z-scores correspond to the critical values that cut off the outer 2% of the distribution (1% in each tail). The z-scores that accomplish this are approximately ±2.33.

Find the Indicated Z-Score