The weights of a group of first-graders at a local

Last updated: 7/10/2022

The weights of a group of first-graders at a local elementary school were normally distributed. The mean was 70 pounds and the standard deviation was 3 pounds. What is the probability that a first-grader chosen at random from this group weighs less than 61 pounds? 0.0015 0.015 0.003 0.03