1. Let random variable x represent the number of heads when a fair coin is tossed two times. (a) Construct a table describing the probability distribution. x P(x) 0 1 2 Determine the mean and standard deviation of x.
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The company financial officer was interested in the average cost of PCs that had been purchased in the past six months. A random sample of the price of 10 computers was taken with the following results (mean = $3,213): $ ...
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You are promised $80 a year for the next 4 years. You are also promised a one-time payment of $2000 in 6 years. The interest rate is 6%. What is the total PV?
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Below are commute times and amounts of rainfall for a few randomly selected dates last year. Rain (mm) Commute time (min) 3 20 0 10 1 25 9 30 15 60 12 25 Treat "Rain" as the X variable Compute the value of r for the corr ...
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The monthly utility bills in a city are normally distributed with a mean of $121 and a standard deviation of $23. Find the probability that a randomly selected utility bill is between $115 and $130. Probability of 0.07 a ...
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Explain the difference between profit and shareholder's wealth maximization and, which of two should be goal of a business?
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You ask your roommate to mail a letter for you. Suppose there is a 0.21 probability your roommate will forget to mail it. Should your roommate mail your letter, there is a 0.9 probability that Canada Post will deliver t ...
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The population standard deviation for the height of high school basketball players is 2.3 inches. If we want to be 95% confident that the sample mean height is within 0.5 inch of the true population mean height, how many ...
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What is liquidity and why is liquidity important to the success of a business? Give the Reference
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Calculate cash inflow or outflow from operating activities given the following information: Net loss - $12,000; depreciation expense $3,000; increase in AR $1,250; decrease in inventory $900; increase in AP $760.
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