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pick one of the following problems and answer the following questions.
1) State the Null and Alternative Hypotheses. 2) Calculate the test statistic. 3) Sketch a drawing of the Normal Distribution and where your test statistic would be in relation to the mean. 4) Find the p-value associated with the test statistic found in Step 2. 5) State your conclusion based on Your p-value. Interpret your conclusion - provide evidence as to why your test statistic and p-value
support or do not support the hypotheses stated in Step I.
Problem 1Based on information in Statistical Abstract of the United States (116th Edition); the average annual miles driven per vehicle in the United States is 11.1 thousand miles, with c = 600 miles. Suppose that a random sample of 42 vehicles owned by residents of Chicago showed that the average mileage driven last year was 10.75 thousand miles. Does this indicate that the average miles driven per vehicle in Chicago is significantly different from (higher or lower than) the national average? Use a 0.01 level of significance.
Problem 2The Nero Match Company sells matchboxes that are supposed to have an average of 40 matches per box, with c = 9 matches. A random sample of S6 Nero matchboxes shows the average number of matches per box to be 42.5 matches. Using a 5% level of significance, can you say that the average number of matches per box is more than 40 matches?
A loaf of bread is normally distributed with a mean of 22 oz and a standard deviation of 0.5 oz. What is the probability that a loaf is more than 22.25 oz?
The reader should refer to the examples in each chapter for details on how to implement these in actual practice using JMP. Was the design a CRD?
the average length of a new born baby is 20 inches with a standard deviation of 1 inch.b. if n100 what is the mean of
Let P be the transition matrix of an ergodic Markov chain. Let x be any column vector such that Px = x. Let M be the maximum value of the components of x. Assume thatxi = M . Show that if pij > 0 then xj = M . Use this to prove that x must ..
A packaging company distributes quarter-pound beef patties to local fast-food restaurants. The restaurants demand the weights to be 4 plus or minus .02 ounces.
Comparison of Fathers Mean Psychological States in the Job and Home Spheres - Descriptive Statistics and Mean-Level Comparisons
the 92 million of americans of age 50 and over control 50 percent of all discretionary income aarp bulletin march 2008.
Find the probability that in a given year a) exactly one major hurricane will strike the U.S. mainland, b) at most one major hurricane will strike the U.S. mainland.
Average of this group is 229. Population standard deviation for both groups is 6. At α = 0.01, is there difference in cholesterol levels between two groups?
a sample of 90 women is obtained and their heights in inches and pulse rates in beats per minute are measured. the
Employees of a local company are classified according to gender and job type. The following table summarizes the number of people in each job category.
in a group of five items two are defective. find the distribution of n the number of draws we need to find the first
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