Margin of sampling error
A random variable Y has unknown mean µ and standard deviation 20. What is the sample size n needed so that the 99% margin of sampling error is 5?
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Starr, Co. is considering a five-year project that has an initial after-tax outlay of $250,000. The respective future cash inflows from its project for years 1, 2, 3, 4 and 5 are: $55,000, $55,000, $42,000, $43,000 and $81,000.
Sharpe Products has 1 million outstanding shares and 7 directors to be elected. Cumulonimbus Holdings owns 200,000 shares of Sharpe. How many directors can Cumulonimbus elect with cumulative voting?
If electrical energy costs 12 cents, or $0.12, per kilowatt-hour, then what would the following events cost? operating an electric oven for4.0h if it carries a current of 20.0 A at 220 Voperating an electric oven for4.0h if it carries a current of 20
A mail order company has an 8% success rate. If it mails advertisements to 600 people, find the probability of getting less than 40 sales?
Kohers Inc. is considering a leasing arrangement to finance some manufacturing tools that it needs for the next 3 years. The tools will be obsolete and worthless after 3 years.
Will this tension exceed the yield strength of iron? Compare the thermal stress in this band to the yield strength for iron.
It is expected that to attract buyers, new common stock must be underpriced $5 per share, and the firm must also pay $3 per share in flotation costs. Dividend payments are expected to continue at 60% of earnings.
A light ray traveling in a slab of crown glass surrounded by air. The ray is incident on the right surface at an angle of 55° with the normal and then reflects from points A, B, and C.
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