Use the following information for questions:
Find the requested probability for the standard normal random variable Z.
-What is the probability that Z is between -1 and 1, P(-1 $\leq$ Z $\leq$ 1)?
A) 0.1587
B) 0.3174
C) 0.6826
D) 0.8413

Question

Use the following information for questions:
 Find the requested probability for the standard normal random variable Z.
-What is the probability that Z is between -1 and 1, P(-1 $\leq$ Z $\leq$ 1)?
A) 0.1587
B) 0.3174
C) 0.6826
D) 0.8413

Quizplus · Accepted Answer

The probability that Z is between -1 and 1 in a standard normal distribution is approximately 0.6826, which corresponds to about 68% of the data under the curve falling within one standard deviation from the mean.

Use the Following Information for Questions: Find the Requested ≤\leq≤

Use the Following Information for Questions:
Find the Requested $\leq$