Cell phone cost is normally distributed with a mean of $\$ 83$, and a standard deviation of $\$ 16$. For a randomly selected cell phone, find the following: 1. What is the probability that the cost is more than $\$ 110$ ? 2. What is the probability that the cost is between $\$ 90$ and $\$ 100$ ? 3. What is the cost of the top $2 %$ of users? 4. Do problem 1 for a sample of 10 cell phones. SP.VS. 806