# Question: 2the average stock price for companies making up the sampp...

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2.The average stock price for companies making up the S&P 500 is $30, and the standard deviation is $8.20. Assume the stock prices are normally distributed. What is the probability a company will have a stock price of at least $40? (Round to four decimal places) What is the probability a company will have a stock price no higher than $20? (Round to four decimal places) How high does a stock price have to be to put a company in the top 10%? (Round to two decimal places)