The distribution of the number of viewers for the American Idol television show follows a normal distribution with a mean of 23 million with a standard deviation of 8 million.

What is the probability next week's show will:

1. Have between 28 and 32 million viewers? (Round your z-score computation to 2 decimal places and final answer to 4 decimal places.)
2. Have at least 17 million viewers? (Round your z-score computation to 2 decimal places and final answer to 4 decimal places.) 3. Exceed 40 million viewers? (Round your z-score computation to 2 decimal places and final answer to 4 decimal places.)