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In 2000, the average age of students at UTC was 22 with a standard deviation of 3.96. In 2001, the average age was 24 with a standard deviation of 4.08. Using Coefficient of Variation determine in which year do the ages show a more dispersed distribution? Show your complete work and support your answer.
Think of your favorite casino game (craps, black-jack, roulette, etc) and analyze the probabilities of a few different outcomes.
Then, give two examples of correlation which are evaluated in a business environment and discuss the decision made by evaluating the correlation.
Probability of two mutually exclusive events intersecting Can be any value between 0 to 1, Must always be equal to 1.
A battery manufacturer advertises the average life of its automobile battery is 60 months.what % of batteries should last between 50 and 70 months? The standard deviation is 10 months.
A researcher is interested in the effect of an electrolytic sports drink on the endurance of adolescent boys. A group of 30 boys is selected and half are given a treadmill endurance test while consuming the sports drink and the other half take the..
The machine will stop working if more than three components fail. Find the probability that the machine will be working.
Internet is 13.4 hours per week, with the sample standard deviation of 6.8 hours. Determine the 95 percent confidence interval for mean time Wired subscribers spend on Internet.
At the 0.05 level of significance, is there evidence of a significant relationship between the age groups and where people primarily get their news? If so explain the relationship.
Based on the information in part (a), what decision should the director make about the books used for the courses if the goal is to keep the cost below $300.00?
If there is one-year warranty on the equipment, what proportion of the customers will actually make a valid warranty claim?
The university police department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows Poisson distribution with a mean of 9 tickets per day.
She collected the employee performance ratings recorded before and after workshop attendance and stored the paired ratings for all 35 in Perform.
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