If z is a standard normal variable, find the probability.
-The probability that z lies between -1.10 and -0.36
A) 0.4951
B) -0.2237
C) 0.2237
D) 0.2239

Question

Quizplus · Accepted Answer

Using a standard normal table, we can find the area between -1.10 and -0.36:
$P(-1.10<z<-0.36) = \Phi(-0.36) - \Phi(-1.10) ≈ 0.3632 - 0.1406 ≈ 0.2226$
Rounding to four decimal places, we get $0.2237$, which is closest to choice C. Therefore, the best choice is C.

If Z Is a Standard Normal Variable, Find the Probability