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A researcher plans to compare two treatment conditions by measuring one sample in treatment 1 and a second sample in treatment 2. The researcher will then compare the scores for the two treatments. If there is a difference between the two groups of scores,
a. Briefly explain how the difference may have been caused by the treatments.b. Briefly explain how the difference simply may be sampling error.
Do hotel managers on the average differ significantly in femininity score from men in general? Assume that the standard deviation of scores in the population of all male hotel managers is the same.
If the p value for a test for difference of educational level of two groups is p=0.0184, is the difference statistically significant at the 0.01 level?
Two boats the prada (Italy) and the oracle (USA) are competing for a spot in the upcoming Americans cup race. They race over a part of the course several times. Below are the sample times in minutes at the .05 significance level.
Find the probability that the number of who consider themselves basketball fans is :
Based on this information, by what factor does the risk of having an accident increase due to driving while intoxicated?
Claims involving automobiles are selected at random. What is the probability that six or more claims (x greater than or equal to 6) will be made by males under 25?
Tavern has budget of $2,000 for beer for Super Bowl Sunday. Betty desires to find out number of gallons of each brand of beer to order so as to maximize profit. Create a linear programming model for this problem.
Develop the "best" regression model possible using this set of variables to help you predict the Risk. State your final model. Interpret the coefficients for the model (i.e. what do the numbers mean?). Finally, tell me how to use this model for pr..
At the school there are eight tenured faculty members in accounting. What is the probability that the committee will contain: None of them?
Test the claim at alpha-.05 that the average wage has not changed by finding the p-value for the test.
A device has a sensor connected to an alarming system. The sensor triggers with probability 0.95 if dangerous conditions exist in a given day and with probability 0.005 if conditions are normal during the day. Days with dangerous conditions occur ..
The company has evidence that its line produces %0.9 of noncorforming items. What is the probability that an item selected for inspection is classified as defective?
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