WILL MARK BRAINLIEST. 4TH GRADE MATH Rosa spent 1/4 of her money on a camping stove and 1/6 and the remainder on the water purifier. she spent $267. how much money did she have it first?

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.