A. Suppose that sales in a Wal-Mart store are normally distributed with a mean of $80 million and a standard deviation of $ 10 million.
1. What is the probability that sales will be less than or equal to $85 million?
2. What is the probability that sales will exceed $90 million?
B. The stock price of Wal-Mart is normally distributed with a mean of $ 90 and a standard deviation of $ 2.
1. What is the probability that the stock price of Wal-Mart will be between $70 and $95?
2. What is the probability that the stock price of Wal-Mart will exceed $100?