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The standard deviation of the market-index portfolio is 45%. Stock A has a beta of 1.20 and a residual standard deviation of 55%.
a-1. Calculate the total variance of stock A if its beta is increased by 0.20? (Do not round intermediate calculations. Enter your answer as a decimal rounded to 4 decimal places.)
a-2. Calculate the total variance of stock A if its residual standard deviation is increased by 8.86% ? (Do not round intermediate calculations. Enter your answer as a decimal rounded to 4 decimal places.)
Observe the leftmost bars in both histograms. Why is the leftmost bar in the first histogram misleading?
you obtain the average delay in queue minutes for 8 independent replications of a simulation model of a popular ride at
Roundoff errors. Suppose you balance your checkbook by rounding amounts to the nearest dollar. Between 0 and 49 cents, drop the cents: between 50 and 99 cents.
1- ounce chocolate chip cookies resulted in following calorie amounts. At α=0.01 level, is there sufficient evidence that average calorie content is greater than 110 calories.
The police that patrol a heavily traveled highway claim that the average driver exceeds the 65 miles per hour speed limit by more than 10 miles per hour.
what is the numeric value of z in the following equation p-z lt z lt z
Dr. Easy saw the scores from the MA-222 test and used the occasion to test the old adage that girls are smarter than boys on subjects tested by ACT.
State the critical (tabled) value of t that would be used to reject the null hypothesis of equality of population means, for an independent groups t-test
Contest. You play two games against the same opponent. The probability you win the first game is 0.4. If you win the first game, the probability you also win.
1. A researcher believed that there was a difference in the amount of time boys and girls at 7th grade studied by using a two-tailed t test. Which of the following is the null hypothesis?
How many periods would it take for an economy with a 20% investment rate to reach its new steady state if it increases its investment rate to 30%
Let X1, X2, . . . , Xn be independent, continuous random variables with common distribution function F(x), and consider the order statistic (X(1), X(2), . . . , X(n)). Compute E(F (X(n)) - F (X(1))).
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