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Let xij = gallons of component i used in gasoline j. Assume that we have two components and two types of gasoline. There are 8,000 gallons of component 1 available, and the demand gasoline types 1 and 2 are 11,000 and 14,000 gallons respectively. Write the supply constraint for component 1.
For a normal random variable X with mean 70 and standard deviation 10. Calculate the probability that 60 80}.
If possible, determine a 95% confidence interval for average number of television sets in all 50,000 households. If this is not possible, describe why not.
A chi-square test for goodness of fit is used to test whether or not there are any preferences among 3 brands of cola.
Find the test statistic value for testing the equality of proportion variances.
Select three situations in psychology where you, the research psychologist, would be concerned about effect size in your research endeavor.
Calculate the Range Chart Limits and the X-Bar Chart Limits and draw your X-Bar and R Charts and describe what the data is telling you?
Confidence Intervals around a Population Parameter Never preferred but is accepted as a Trade off for cost and/or time. Dataset Accuracy Confidence Example Preference?
The means of two normally distributed populations, where the unknown population variances are assumed to not be equal. What is the upper confidence limit is?
The weekly salaries of teachers in one state are normally distributed with mean of $490 and standard deviation of $45. Determine the probability that a randomly selected teacher earns more than $525 per week?
According to an internet posting, 80% of adults enjoy drinking beer. Choose a group of 3 adults at random. The probability that none of them enjoy drinking beer is:
part i statistical measures statistics is a very powerful topic that is used on a daily basis in many situations. for
A biologist has found that the average weight of 12 randomly selected adult mud turtles is 8.7 lb. with standard deviation 3.6 lbs. Construct a 99% confidence interval for the population mean weight of adult mud turtles.
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