The weight of a jar of jelly is normally distributed with a mean of 16 oz and a standard deviation of 0.02 oz. What is the probability that a jar of jelly contains less than 16 oz?
A) .1915
B) .3085
C).5000
D) .7257

Question

Quizplus · Accepted Answer

In a normal distribution, the mean divides the distribution into two equal halves. Therefore, the probability of a value being less than the mean (in this case, less than 16 oz) is 0.5 or 50%.

The Weight of a Jar of Jelly Is Normally Distributed