how many std above the mean is Z=2?
That's how many oz. more than 16 is the box.
The weights of boxes of candies produced in a factory are normally distributed with a mean weight of 16 oz and a standard deviation of 1 oz. What is the weight of a box of candies with a z-score of 2?
16 oz
18 oz
20 oz
22 oz
2 answers
20
6 answers