Z is a standard normal random variable. The P(-1.5 $\le$ z $\le$ 1.09) equals
A)0.4322
B)0.3621
C)0.7953
D)0.0711

Question

Quizplus · Accepted Answer

To solve for the probability, we need to find the area under the standard normal curve between -1.5 and 1.09.

Using a standard normal distribution table or calculator, we find that the area to the left of -1.5 is 0.0668 and the area to the left of 1.09 is 0.8617.

Therefore, the area between -1.5 and 1.09 is:

0.8617 - 0.0668 = 0.7949

However, we need to subtract the area to the left of -1.09 to get the desired probability:

0.7949 - 0.0668 = 0.7281

Therefore, the answer is:

Choice C: 0.7953

Z Is a Standard Normal Random Variable ≤\le≤ Z ≤\le≤ 109) Equals A)0

Z Is a Standard Normal Random Variable $\le$ Z $\le$ 109) Equals
A)0