Jack divided his fortune of 92,000 into 8 equal portions. he gave 4 portions to his wife , 1 portion to his son and divided the remaining portions equally among 5 charities. how much more money did his son get than each charity?

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.