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Investment A has an expected return of $25MIL and Investment B has an expected return of $5MIL. Market risk analysts believe the standard deviation of the return from A is $10MIL and for B is $30MIL (negative returns are possible).
(a) If you assume returns follow a normal distribution, which investment would give a better chance of getting at least a $40MIL return and explain why.
(b) How could your answer in question (a) change if you knew returns followed a skewed distribution instead of a normal distribution? Explain briefly.
Testout the significance of the sample correlation also develop regression equation with scatter plot. Calculate chi-square is less than the critical value
According to the National Restaurant Association, 20% of fine-dining restaurants have instituted policies restricting the use of cell phones. From a sample of 100 fine-dining restaurants,
You calculate the difference in income as (after incentive plan - before incentive plan). You want to test whether income after the incentive plan is different from income before the incentive plan. What are the hypotheses for this test?
Write the hypothesis statement. What distribution are you using?
Construct a 90 percent confidence interval for the proportion of all kernels that would not pop.
For a normal distribution, the probability of randomly selecting a z-score greater than z = -2.00 is p = .0228.
write down the hypothesis the test used the p-value and the interpretation then hand calculates a 95% CL for the odds ratio estimate on this last test.
To estimate the mean of the population from sample information, we need to calculate the standard deviation of the distribution of the sample means around the population mean.
What will be critical value of chi-square if test is to be performed at 0.025 level? At the 0.05 level?
When the null hypothesis is rejected in the goodness-of-fit test, it means there is close agreement between the observed and expected frequencies.
Now compute the standard deviation for this distribution.
a) Set up the null and alternative hypotheses, and perform the hypothesis test. b) Does the jury selection system appear to be fair?
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