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The weights of domestic, adult cats are normally distributed with a mean of 10.42 pounds and a standard deviation of 0.87 pounds. A cat food manufacturer sells three types of foods for underweight, normal, and overweight cats. The manufacturer considers the bottom 5% of the cats underweight and the top 10% of the cats overweight. Compute the two weights that give the cutoff points for the three categories.
A study of cardiovascular risk factors compared heavy smokers, light smokers, and nonsmokers. Both men and women were included in the study so that the two factors are smoking level and gender.
ABC Auto Insurance classifies drivers as good, medium, or poor risks. Drivers who apply to them for insurance fall into these three groups in the proportions: 30 percent, 50 percent, and 20 percent, respectively.
Using a level of significance of .10, is there evidence that the population mean weight of the candy bars is greater than 7.3? Explain.
How much time should the employer allow employees to finish the job? (Round up to the nearest minute).
Let Y be the number of envelopes for which the machine fails to remove a check. Using the Central Limit Theorem to approximate P{Y≤10}.
Using 5% level of significance, is there any difference in proportion of guests who would select the two resorts? What is your conclusion?
What is the probability that the offspring will not have the disease. In other words what is the probability that offspeing will have genotype ss interpret this probability.
Based on chi-square table, what is the most correct statement which can be made about the p-value for the test?
Agricultural researchers are studying three different ways of planting peanuts to determine whether significantly different levels of production yield will result.
In the biology class the mean score was 79 with standard deviation 5.
Explain whether the symmetry definition of probability is appropriate with respect to the outcomes in the sample space.
The retail price of 12-pack soda can be characterized as having a normal distribution with a mean of 3.00 dollars and a standard deviation of 0.25. Below what price do you find 30 percent of all 12-packs?
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