Question: The average stock price for companies making up the S&P 500 is $30. and the standard deviation is $8.20 (Business Week. Special Annual Issue. Spring 2003). Assume the stock prices are normally distributed.
a. What is the probability that a company will have a stock price of at least $40?
b. What is the probability that a company will have a stock price no higher than $33?
c. How high does a stock price have to be to put a company in the top I Ork?