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In each of the following cases, indicate whether classical, empirical or subjective probability used.
a) A baseball player gets a hit in 30 out of 100 times at bat. What is the probability that he gets a hit in his next at bat?
b) A seven-member committee of students is formed to study environmental issues. What is the likelihood that any one of theseven is chosen as the spokesperson?
c) You purchase one of 5 million tickets sold for Lotto Canada. What is likelihood you win the $ 1 million jackpot.
A person reads a research study of the effectiveness of perineal exercises in preventing urinary incontinence and notes that the number of subjects in each group is 120.
The house of representatives has a very controversial bill that will be going to vote. To help formulate his strategy on how to get the bill passed, the chairman of the committee that has been studying the bill wishes to know if there is a divisio..
The population standard deviation for both groups is 6. At α = 0.01, is there a difference in the cholesterol levels between the two groups? Find the 99% confidence interval for the difference of the two means.
Find out the range (R), variance (V) and standard deviation (s) for the given set of values:
For which of given variables must a "two tail" t-test be applied?
Suppose that the incident rate of a particulat kind of accient is 1/10,000 persons. In a town of 50,000 persons, what is the probability that there is no accident of this kind?
Would you play this game if you wanted to make money? What do we expert the value of the results of the game to be?
A company wants to know if minorities are more likely to be in certain job categories than others. Their data base codes employees 1 for clerical, 2 for custodial, and 3 for manager. A logistic equation was fit to the data with SPSS.
State the null and the alternative hypotheses. Using the p-value approach, test to determine whether or not the mean age of all employees is significantly more than 40 years.
A combination of content and supportive examples would be greatly appreciated.
A pie chart shows the market shares of cola products. The "slice" for Pepsi-Cola has a central angle of 90 degrees. What is its market share?
Such things as historical documents, newspaper reports, TV and radio broadcasts, when used in research, represents
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