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Given the following data, calculate the EMV for each investment alternative. Which is best based on the EMVs you calculated?
Favorable
Unfavorable
Stock A
$10,000
1,000
Stock B
$25,000
-2,500
Stock C
$15,000
-1,000
Probabilities:
0.4
0.6
If level of significance ( α ) is 0.005 in two-tail test, how large is non rejection region under curve of the t distribution?
Categorize the events as dependent or independent. Events A and B where P (A) = 0.7, P (B) = 0.8, and P (A and B) = 0.56.
What is your conclusion regarding null hypothesis?
Drug sniffing dogs must be 95% accurate. A new dog is being tested and is right in 46 of 50 trials. Find a 95% confidence interval for the proportion of times the dog will be correct.
Assume that the length X in minutes of a regular season NBA game is normally Distributed with X~N (µ X , σ 2 X );
Suppose that this is a simple random sample of adult residents of Maine.
Calculate a 3-month moving average forecast for months 4 through 9 also Compare the two forecasts by utilizing MAD. Which forecast appears to be more accurate.
If we fit the least-squares line to the 12 data points (one for each month) we obtain the following results from a software package. Notice that temperature is taken as the explanatory variable and crawling age as the response.
Determine the probability of examining a sample mean weight from any 20 women chosen from this population that is less than S (your sample mean) by using population standard deviation?
A confidence interval increases in width as:
A major benefit of two-way ANOVA over several one-way ANOVAs, If an F test for interaction is significant.
Would it be reasonable to conclude that the 5 percent of the employees are not able to pass the random drug test?
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