a store sells mugs each mug costs the same amount during a sale the store reduces the price of each mug by 1.25 jackson spends 11.48 on two mugs at sale price. what was the price of one mug before sale price

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.