Statistics: Testing Statistical Hypothesis – #377

Question: The price of shares of Bank of Florida at the end of trading each day for the last year followed the normal distribution. Assume there were 240 trading days in the year. The mean price $42.00 per share and the standard deviation was $2.25 per share.

a) What percent of the days was the price over $45.00? How many days would you estimate?

b) What percentage of the days was the price between $38.00 and $40.00?

c) What was the stock’s price on the highest 15 percent of days?


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