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A guard works betwwen 5 p.m. and 12 midnight; he sleeps an average of 1 hour before 9 p.m., and 1.5 hours betwween 9 and 12. An inspector finds him asleep, what is the probability that this happens before 9 p.m.?
Statistics and Probability, Statistics
Describe the general concept of economic analysis. Is this type of analysis necessary, and can it really help the individual investor make a decision about stock? Explain
If you want to be 95?% confident of estimating the population mean to within a sampling error of ±25 and the standard deviation is assumed to be 125?, what sample size is? required?
1. Choose all probability distributions which are theoretically related to normal probability distribution 2. The 68-95-99.7 rule states that in a normal distribution 3. For a normal distribution the a mean of 179 and st ...
Determine the internal rate of return for a project that costs -$149,500 and would yield after-tax cash flows of $23,000 the first year, $25,000 the second year, $28,000 the third year, $30,000 the fourth year, $34,000 t ...
Suppose you invest $2,000 today and receive $9,500 in five years. a. What is the internal rate of return? (IRR) of this? opportunity? b. Suppose another investment opportunity also requires $2,000 upfront, but pays an eq ...
Let X be a normally distributed random variable with μ = 100 and σ = 10. Find the probability that X is between 80 and 105. (Round your answer to the nearest whole number percent and include the percent symbol.)
A production system has two spares of a critical component that have average uptime 1/lamba = 1 month. Find the probability that the 3 components (the operating one and the two spares) will last more than 6 months. Assum ...
I. A statistics instructor wants to measure the effectiveness of his teaching skills in a class of 66 students ( N = 66). He selects students by waiting at the door to the classroom prior to his lecture and pulling asid ...
Kirk Inc. has come out with a new and improved product, and is expected to have an ROE of 14.4%. It will maintain a plowback ratio of 30%. Investors expect a 6.3% rate of return on the stock. (a) At what P/E ratio would ...
A company that sells annuities must base the annual payout on the probability distribution of the 2) length of life of the participants in the plan. Suppose the probability distribution of the lifetimes of the participan ...
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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
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As