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Finer Diner claims that on any given night, the average number of tables served is 80. A food services researcher feels that this average is incorrect. The researcher selects a random sample of 64 nights and finds the mean of the sample to be 76 tables. The population standard deviation (σ) is 1.4 tables. Is there evidence to support the claim of the researcher at α = 0.05?
Compose a 350 to 700-word summary report of your findings to the researcher and owner of the restaurant in which you
Identify evidence, if any, of the researcher's claim.
Perform a one- or two-tail test on the data provided,
Explain the process you used to test the hypothesis, and
Report what value α would have to be in order for your decision to be reversed.
Format your assignment according to APA standards.
Compare the percentage found in b) to percentage given by Empirical Rule and Chebyshev's Rule. (Make a table 3 x 3).
Tom works the night shift at a gas station on the edge of Champaign. One night he mixed 3 stale doughnuts in with 13 fresh doughnuts. That night 6 customers bought one doughnut each, selecting them at random. What is the probability that at least ..
Fast Service Truck Lines uses the Ford Super Duty F-750 exclusively. Management made a study of the maintenance costs and determined the number of miles traveled during the year followed the normal distribution. The mean of the distribution was 60..
Construct a 95 percent confidence interval for the true mean.
Solve problem graphically1. Describe optimal solution and objective function value in context of the problem.
No, there is not sufficient information to reject the hypothesis that the proportion of cats and the proportion of dogs that sleep more than 10 hours per day are the same because the test value -0.65 is inside the acceptance region (-1.96,1.96).
Create a 98 percent confidence interval for the population mean.
Listed below are weights in grams from a sample of these bats. Construct a 95% confidence interval estimate of their mean weight.
Enter relative proportions of the 3 samples in order (20,50,30) in "Expected values" area.
Find the sample mean and sample standard deviation for the amount of unspent money returned at the end of the day.
Not take SRS of 25 students who took test. What are the mean and standard deviation of sample mean score xbar of these 25 students?
Chi-square test for independence of attributes - Describe why a x 2 test of the resulting contingency table is appropriate for such an investigation.
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