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A test consist of 30 multiple choice questions, each with five possible answers, only one of which is correct. find the mean and standard deviation of the number of correct answers.
Statistics and Probability, Statistics
Last year a technology company bought one million in shares of a GM stock at €40 per share and sold it one year later at €50. The spot exchange rate one year ago was $1.40 = €1 and the spot rate prevailing at the end of ...
Explain how the company Newman's Own brand fulfills the definition of a business for profit and a non-profit business at the same time. Consider in the response the functions of business, entrepreneurship and production ...
Butterfly Tractors had $18.50 million in sales last year. Cost of goods sold was $8.90 million, depreciation expense was $2.90 million, interest payment on outstanding debt was $1.90 million, and the firm's tax rate was ...
For an environmental group, it is known that 75% of their door-to-door solicitations result in a donation of some kind. Find the probability that... (Hint: first determine what is a 'success' and what is a 'failure' base ...
Great start to our discussion on short term planning and the operating and cash cycles. talk about if every businesses have similar operating cycles? If not give examples of how and why they are different? Give referen ...
A confidence interval estimate is desired for the gain in a circuit on a semiconductor device. Assume that gain is normally distributed with standard deviation σ = 30. (a) How large must n be if the length of the 95% CI ...
1. Summary statistics for returns on two stocks X and Y are listed below. Mean Variance Stock X 2.83% 0.006000 Stock Y 5.98% 0.003000 The covariance of returns on stocks X and Y is 0.001500. Consider a portfolio of 80% s ...
Assume that showing a car is a Bernoulli trial, and each time she shows a car, there is a probability of 0.15 that the customer will buy the car. The saleswoman has a goal of selling at least one car a week. 1) How many ...
Consider projects A and B with the following cash flows: C0 C1 C2 C3 A -$29 $18 $18 B -$54 29 29 What is the profitability index of each project? (Do not round intermediate calculations. Round your answers to 2 decimal ...
A sample of 175 randomly selected students, found that the proportion of students planning to travel home for thanksgiving is 0.64 What is the standard deviation of the sampling distribution.
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
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