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Please address the following question: When is the mean the best measure of central tendency? When is the median the best measure of central tendency?
Statistics and Probability, Statistics
The risk rate of return is currently 0.05, whereas the market risk premium is 0.05. if the beta of RKP, inc ,stock is 1.9 , then what is the expected return on RKP?
Question: A random variable X is known to be distributed either N(1,3) or N(2,3). The mill hypothesis is that the mean is equal to 1. The alternative hypothesis is that the mean is 2. a. With a sample of 10 draws from th ...
Doctoral assistant ships of Ph.D students 50% have paid assistant ships. a random sample of n=200 students is chosen.. based on this sample and using the properties of the binomial distribution, what is the approximate s ...
Imagine that I had two drugs, X and Z. I administered the drugs to people with sleep difficulties for one month. The mean amount of sleep difficulties reported in the drug X group in the past month was 3.44 (SD = 2.34) a ...
Suppose that college science textbooks on average cost 225 dollars with a standard deviation of 45 dollars. Suppose that a random sample of 40 college science textbooks was taken. Find the probability that the sample mea ...
Consider the binomial distribution where n = 11 and p = 0.05. Find the mean and standard deviation of this binomial distribution. The customers at a local appliance store are polled as they leave the store. Each is asked ...
An equally weighted portfolio consists of 41 assets which all have a standard deviation of 0.137. The average covariance between the assets is 0.118. What is the standard deviation of this portfolio expressed as a percen ...
In the game of? roulette, a player can place a ?$7 bet on the number 18 and have a 1/38 probability of winning. If the metal ball lands on 18?, the player gets to keep the ?$7 paid to play the game and the player is awar ...
A doctor wants to predict the birth weight of a newborn baby (measured in grams) based on the gestational age (measured in weeks) at the time of birth. The doctor uses 11 data points, with births ranging from 29 weeks to ...
Explain how each of the following situations would affect interest rate and consequently, the equity market. a) Sudden increase of capital expenditure by the businesses b) Decrease of household savings in the market c) S ...
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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