Write a positive or negative integer that represents the situation. 1. You run up 24 steps.
2. The temperature dropped 7 degrees.
3. You give away 2 of your video games.
4. You miss 3 days of practice.

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.