A farmer sells 8.9 kilograms of apples and pears at the farmer's market. 4
5
of this weight is apples, and the rest is pears. How many kilograms of pears did she sell at the farmer's market?

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.