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Security A has an expected return of 7 percent, a standard deviation of expected returns of 35 percent, a correlation coefficient with the market of -0.3 and a beta coefficient of -0.5. Security B has an expected return of 12 percent, a standard deviation of returns of 10 percent, a correlation with the market of 0.7 and a beta coefficient of 1.0.
Which security is riskier? Why?
Using given data table, find out midpoint for class with greatest frequency?
For the data giben below, prepare a R-chart. Note that the sample size is three.
Following sample data shows the weekly closing price of ABC stock. Compute the sample mean and variance from this data set.
The scores of college-bound senior men on the math part of the SAT followed a normal distribution with mean 527 and standard deviation 116.
Scores on the Math Achievement Test form a normal distribution with a mean of u = 300 and a standard deviation of a = 100. What score separates the top 10% of the distribution from the rest.
If you are told a population has a mean of 25 and a variance of 0, what must you conclude? a) Someone has made a mistake. b) There is only one element in the population.
Students need a score of 60 points to pass the exam. What is the probability that a randomly selected student will pas the exam? (P(X ≥ 60))
Calculate probability that the sample would have a mean:
What is the probability that the mean life-span of a sample of 64 randomly selected bulbs will exceed 727 hours?
The area under the standard normal curve between 0 and 2 is twice the area under area between 0 and 1.
How to calculate the trimmed mean for each sample by deleting the smallest and largest observation and then corresponding trimming percent ages.
If we assume that the errors made by rounding off are iid and have a uniform distribution over the interval ( - ~, ~), compute approximately the probability that the sum of the integers is within two units of the true sum.
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