Assignment:
If the average stock price for companies making up the S&P 500 is $30 and the standard deviation is $8.20 and the prices are normally distributed. What is the probability that a company will have a stock price of at least $40? What is the probability that a company will have a stock price no higher than $20? How high does a stock price have to be to put a company in the top 10%?
Provide complete and step by step solution for the question and show calculations and use formulas.