In a study of bumblebee bats, one of the worlds smallest mammals, the weights were normally distributed,

Question:

In a study of bumblebee bats, one of the world’s smallest mammals, the weights were normally distributed, with a mean of 2.0 grams and a standard deviation of 0.25 gram. Find the probability that a randomly selected bat from the study weighs
(a) Between 1.8 grams and 2.2 grams.
(b) Between 2.1 grams and 2.7 grams.
(c) More than 2.3 grams.
Find the indicated probabilities. If convenient, use technology to find the probabilities.