Lena found a 5/8-carat diamond ring in the parking lot and turned it in to the police. afterward, her friends discussed the weight of the diamond in terms of decimal numbers. lena said it weighed 0.275 carats, but sheldon thought it was closer to 0.58 carats. naomi predicted the ring weighed 0.625 carats, but mark disagreed and said 0.8 carats. paula went with 0.875 carats. who had the correct measurement?

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.