Aquatic World (AW) charges $6 admission plus $1 for each ride. The cost at Surf World (SW) is $2 Admission plus $2 per ride. Let x = the number of rides, let y = the total cost

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.