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A car manufacturer claims that their new hybrid cars give at-least 45 miles per gallon. The mean gas mileage and standard deviation of 23 random hyrbid cars were 41 mpg and 10.3 mpg respectively. Is there enough evidence to refute the manufacturers claim? Use a=0.05
1. Identify the parameter(s)
2. Null hypothesis
3. Alternative hypothesis
4. Test Statistic
5. Rejection Region or p-value
6. Conclusion
two players put one dollar each into a pot. they decide to throw a pair of dice alternately. the first one who throws a
List the sample space. Using the sample space list, determine the probability that the customer will select a sample with exactly one defect.
what is the critical value for a one-tailed sign test at icircplusmn 0.01 when there are 14 samples?a. 4b. 1c. 2d.
A recent survey conducted by Towers Perrin and published in the Financial Times showed that among 460 organizations in 13 European countries, 93% have bonus.
a sample of 100 flights for united airlines shows that 64 are on time. a sample of 100 flights for american shows that
A mean score on a standardized test is 50 with a standard deviation of 10. Answer the following:
the p-value for a two tail test of hypothesis is 0.014. what is the p-value for the corresponding one tail
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A fisheries biologist was interested in testing the specific hypothesis that the mean size of adult trout varied among Lake Veronica
The purpose of this project is to analyze the relationship between test scores, school characteristics, and student demographic backgrounds for the California school districts. The data are based on all the 420 K-6 and K-8 districts in California ..
Write a 300-500 word essay and describe the following terms: Central Limit Theorem and its application. Confidence intervals using sample means and sample proportions
Based on observations of a few third graders in the lunch line, they assess P(P) as 0.75. More convincing evidence that P(P) is .75 would be?
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