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Two men are carrying a girl on a large plank that is 10m long and weights 200N. If the girl on a plank weighs 445N and sits 3m from one end, how much weight must each man support?
Statistics and Probability, Statistics
Assume a firm has $45 million in operating profit. The firm's tax rate is 40%. What is the tax shield of the firm's $38 million in debt that charges a 10% interest rate?
Suppose metal shafts produced have a standard deviation of 2.8 and a mean diameter of 210 inches. If 84 shafts are sampled at random, what is the probability that the mean diameter of the sample shafts would be less than ...
Find the z-score boundary that separates a normal distribution as described in each of the following: The lowest 20% of scores
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Your supervisor comes to you and says she would like a marketing research study. She says there is a budget of $30,000. She would like to conduct a simple random sample of consumers interested in using the services of th ...
Let N ( m , v ) denote the normal random variable with mean m and variance v . (a) If X is a Standard Normal variable, what is the distribution of the random variable 4 X - 1? (b) If X ~ N (3,1) and Y ~ ...
Assume that you deposit $ 1,293 each year for the next 15 years into an account that pays 10 percent per annum. The first deposit will occur one year from today (that is, at t = 1) and the last deposit will occur 15 year ...
a) Watters Umbrella Corp. issued 12-year bonds 2 years ago at a coupon rate of 7.8 percent. The bonds make semiannual payments. If these bonds currently sell for 105 percent of par value, what is the YTM? (Write down the ...
What is an important benchmark for any kind of business and for business how would you use break even in making business decisions?
If you know the percentile rank is 50. The mean is 50 and the standard deviation is 5. What is the raw score, z score, and t score?
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