Abag of game markers contains 4 red markers and 5 blue markers 3 yellow markers and 3 green markers if mario reaches into the bag and pulls out a game marker without looking what is the probability he will not pull out a blue game marker

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.