Question

The weights of laboratory cockroaches follow a normal distribution with mean 80 grams and standard deviation 2 grams. about what percent of the cockroaches have weights between 76 and 84 grams?

Answer 1

86% if im correct, i got this answer because of the standard deviation, even though, im not 100% sure im correct, do some researching for this answer on top of mine!

Answer 2

Answer:

95%

Step-by-step explanation: