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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=
The mean was 56 and the standard deviation was 20. On the second exam, she scored 82; the mean was 74 and the standard deviation was 5. On which exam did she do better?
What is the purpose and function of The ?eld of study of statistics?
the mean weight of lays mini size chips is 28.3 gram with a standard deviation of 1 gram whats the probability to get a
Estimating the Size of a Sample to Study
Choose a location in which you would like to live. Go to zillow website and randomly select at least ten homes that have recently sold
Voters. Suppose that in your city 37% of the voters are registered as Democrats, 29% as Republicans, and 11% as members of other parties.
Suppose that 10% of the numbers in a list are 15.20% of the numbers are 25, and the remaining numbers are 50. What is the average of the numbers in the list?
A 23 factorial design on radar tracking was replicated 20 times with these results:
You purchase a certain product. The manual states that the lifetime TT of the product, defined as the amount of time (in years) the product works properly until it breaks down, satisfies
What is the difference between the null hypotheses in a One Sample T-test compared to a Two Sample T-test?
a survey is planned to determine the mean annual family medical expenses of employees of a large company. the
in terms of the mean and standard deviation- what does it mean to say that a particular value of x has a standard score
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