Question

What is the probability that a data value in a normal distribution is between aZ-score of -1.13 and a z-score of -0.19? Round your answer to the nearesttenth of a percent.A. 28.5%B. 27.5%C. 26.5%D. 29.5%

Answer 1

The question indicates that Z-score of -1.13 and a Z-score of -0.19

From the tables, Z-score of -1.13 is =0.1292

From the tables ,Z-score of -0.19 is =0.4247

So

P( -1.13

=0.4247-0.1292 =0.2955

As a percent= 0.2955 *100 = 29.5%

Correct answer choice : D. 29.5%