Suppose that the average stock price for companies making up the S&P 500 is $30. The standard deviation is $8.20. Assume that the stock prices are normally distributed.   What is the probability that a S&P 500 company’s stock price is at least $40?   (b) How high would a company’s stock price have to be to put it in the top 10% of S&P 500?

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  • Suppose that the average stock price for companies making up the S&P 500 is $30. The standard deviation is $8.20. Assume that the stock prices are normally distributed.

 

  • What is the probability that a S&P 500 company’s stock price is at least $40?

 

(b) How high would a company’s stock price have to be to put it in the top 10% of S&P 500?

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