Confidence interval for the true height of the building
The height of a building is measured 32 times. The average of the measurements is 206 feet, with standard deviation=1.8 feet. Find a 95% confidence interval for the true height of the building.
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The Hydro Index is a price weighted stock index based on the 5 largest boat manufacturers in the nation. The stock prices for the five stocks are $10, $20, $80, $50 and $40. The price of the last stock was just split 2 for 1 and the stock price wa
Find a 95% confidence interval for the average amount spent by all City College students on Black Friday. Find a 90% confidence interval for the percentage of all City College students who made at least one internet purchase on Cyber Monday.
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You have $100,000 to invest in a portfolio containing Stock X and Stock Y. Your goal is to create a portfolio that has an expected return of 11.22 percent.
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