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A recent broadcast of a television show had a 10 ?share, meaning that among 5000 monitored households with TV sets in? use, 10?% of them were tuned to this program. Use a 0.01 significance level to test the claim of an advertiser that among the households with TV sets in?use, less than 15?% were tuned into the program. Identify the null? hypothesis, alternative? hypothesis, test? statistic, P-value, conclusion about the null? hypothesis, and final conclusion that addresses the original claim. Use the? P-value method. Use the normal distribution as an approximation of the binomial distribution.
The Test statistic is z=
The P-value is=
Testing equality of variances - evidence of a difference in the variability of monthly talking time on cell phones for men and women?
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To demonstrate your "expertise" in recognizing and solving conditional probability problems, set up one, no matter how simple, based on a statistical experiment
The project manager wishes to set the due date for the completion of the project so that there is a 90% chance of finishing on schedule. Thus, there would only be a 10% chance the project would take longer than this due date. What should this due ..
What experience do you have with hypothesis testing? This can be as simple as you were given an amount of money.
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Set up the criteria for making a decision. That is, find the critical value using an alpha = .01.
A number, denoted by X1> is chosen at random from the set of integers {I, 2, 3, 4}. A second number, denoted by X2, is chosen at random from the set {1, 2, ...
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