x is a normally distributed random variable with a mean of 8 and a standard deviation of 4.The probability that x is between 1.48 and 15.56 is
A) 0.0222
B) 0.4190
C) 0.5222
D) 0.9190

Question

Quizplus · Accepted Answer

The probability can be found by calculating the z-scores for 1.48 and 15.56, then finding the probability between these z-scores using the standard normal distribution table. The z-scores are approximately -1.63 and 1.89, respectively, which corresponds to a probability of about 0.9190.

X Is a Normally Distributed Random Variable with a Mean