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From a population of cereal boxes marked 12 ounces, a random sample of 16 boxes is selected and the contents of each box is weighed. the sample revealed a sample mean of 11.7 ounces with a standard deviation of .8 ounces test to see if the population mean is at least 12 ounces using the .05 level of significance.
Find out the Expected value of the perfect information for the given problem. Given the subsiquent cost tree, illustrate what is the expected outcome.
If a class of 30 students is chosen at random from the university populaton, find the mean of the number of male students. Find the standard deviation of the number of male students.
For each question, state whether the data collected are categorical or quantitative and indicate the measurement scale being used. What is the current Mileage?
Conduct a statistical test to determine if the sample is representative of the population.
Why is expectation important? Explain what the expected value of an experiment or a business represents. What does it mean to have an expected value of 0? Provide an example of expectation and the use of the formula for expected value.
It is estimated that 2% of the athletes competing in a large tournament are users of an illegal drug to enhance performance. The test for this drug is 95% accurate. What is the probability that an athlete who tests positive is actually a user?
Mothers did not take the drug DES during pregnancy , what is the estimate of the number of women out of 1000 who would be expected to have tissue abnormalities?
Do not include complex models which receive less support from the data than their simpler counterparts. How do we find the models to include in this subset?
Solution utilizing graphical method. Compute the following linear programming problem. Among which of the following points (X, Y) is not a feasible corner point.
Determine whether the following equations real or complex solutions; justify your answer. Note: It is not necessary to find the solutions; just determine if they are real or complex and explain why.
Consumption of Saturated Fat: A nutritionist claims that the proportion of females who consume too much saturated fat is lower than the proportion of males who consume too much saturated fat.
A sample of 350 hats is selected and the sample mean is 3.25 pounds. Using a level of significance of .10, is there evidence that the population mean weight of the hats is greater than 3.5 pounds? Fully explain your answer.
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