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1) Crystal Ball requires the following steps.
I. Set the number of trials and other run preferences
II. Interpret the results
III. Develop the spreadsheet
IV. Define the assumptions cells and the forecast cells
V. Run the simulation
The correct logical sequence for these steps is:
a. III, IV, V, I, II
b. IV, II, III, I, V
c. III, IV, I, V, II
d. IV, III, I II, V
2) Data in a Crystal Ball assumption cell:
a. represent variables about which there is no known information.
b. represent uncertain variables used as input to a decision.
c. can be alphanumeric.
d. must follow a normal probability distribution.
In order to test the assumption of a Poisson distribution, a random sample of 150 ten-minute intervals was taken.
Which of the following is the correct set of probabilities for X and if a student is selected at random, the probability he or she is either a Junior or a Senior
determine if the improvement is of practical significance one should. Crop researchers plant 100 plots with a new variety of corn. The average yield for these plots is x' = 130 bushels per acre
Bill Russ, the production manager at Ross Co., maintains detailed records on number of times each machine breaks down and requires service all through the week. Bill records show that the Puret grinder has required repair service according to the ..
The following table shows the hardness (in Brinell hardness numbers) and the tensile strength (in thousands of pounds per square inch) of ten specimens of a certain alloy.
They wish to conduct a survey of their students and find a simple random sample of 50 Freshmen, 40 Sophomores, 35 Juniors, and 30 Seniors.
What is the probability that no more than two of the three are commercial successes?
Find the area under the normal distribution curve between z = 1.52 and z = 2.43.
If statistically significant, do you think the difference is large enough to be important?
At the .05 significance level, is there a difference in the proportion of viewers watching the three channels?
Questions based on binomial distribution, variance of the binomial distribution, discrete random variable and continuous random variables.
Find out z values for 29 and 34 hours. What percent of garages take between 32 hours and 34 hours to erect?
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