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Let an urn contain 5 balls, numbered 1 to 5. Let a sample of size 3 be drawn with replacement (without replacement) from the urn and let X be the largest number in the sample. Find the mean and variance of X.
Statistics and Probability, Statistics
An automobile accidents occur over a 72 hour holiday period are like events in a poisson process with = 10 per hour. Let Y be the time for the first accident. a) What is the mean of Y and variance of Y? b) Find P(Y > 15 ...
How does a market-maker decide the edge (offset) required to perform an options trade? Explain why this edge would be different for options of different strikes as well as for option combinations?
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.
Given a trend line of y = 174x + 88, where the variable x is the independent variable and the variable y is the dependent variable, what is the slope of this trend line?
Consider a machine with exponential reliability model. Assume that the breakdown rate is 1 and the repair rate is 2. Calculate the probability that the machine is up for more than 10 units of time. Calculate the probabil ...
Sharon recently invested in real estate with the intention of selling the property one year from today. She has modeled the returns on that investment based on three economic scenarios. She believes that if the economy s ...
Five percent of the eyeglasses sold at an optical retailer have tinted lenses. Forty pairs of glasses are sold on a particular day and six have tinted lenses. Identify n, p, and x.
Answer the following questions about an ANOVA analysis involving three samples. a. In this ANOVA analysis, what are we trying to determine about the three populations they're taken from? b. State the null and alternate h ...
Do you have a credit card or use some other form of consumer credit? Identify what you currently use, if any. If you do not use credit, discuss a type of credit that you might consider in the future. What advantages does ...
We polled a sample of 900 random people on whether they thought a candidate for a high government position deserves to be nominated. We found that 405 of the 900 people (or 45%) believe the candidate should not be nomina ...
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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