Let z be a random variable with a standard normal distribution. Find the indicated probability below. P(z $\le$ -1.6)
A)0.945
B)0.055
C)0.027
D)0.973
E)0.018

Question

Quizplus · Accepted Answer

The probability P(z ≤ -1.6) for a standard normal distribution (mean = 0, standard deviation = 1) can be found using a standard normal distribution table or a calculator. The value is approximately 0.055, which represents the area to the left of z = -1.6 under the standard normal curve.

Let Z Be a Random Variable with a Standard Normal ≤\le≤

Let Z Be a Random Variable with a Standard Normal $\le$