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A) Compute a 95% confidence interval for the population mean, based on the sample 32, 38, 31, 34, 35, 32, and 36.
B) Change the last number in that set from 36 to 14 and recalculate the confidence interval.
C) Using the results, describe the effect of an outlier or extreme value on the confidence interval.
The weight of the oranges, in pounds (1 pound = 16 ounces) is a random variable with standard deviation
Their monitoring plan will take a random sample of 5 days sales per month and use the sample mean sales to identify shops that are under-performing. Establish the lower limit sales such that only 5% of the shops would have a sample sales mean belo..
Determine the expected value and standard error of the sum of 400 draws?
Determine the probability that person selected has blood type O? Given that person selected is a male, determine the probability that their blood type is AB?
A "random survey" was conducted of 3274 people of the "microprocessor generation" (people born since 1971, the year the microprocessor were invented). It was reported that 48% of those
Critically illustrate out the characteristics of a standard normal distribution? Can two distributions with the same mean and different standard distributions be considered normal?
Suppose that monthly rental rates for unfurnished one-bedroom apartment in Ann Arbor, Michigan, are approximately normal in distribution, with a mean of $750 and a standard deviation of $150.
The display represents Excel output for an ANOVA analysis with σ = 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,
Computing probability values using normal distribution - Find the proportion of the observations will fall in the interval from 40 to 60?
The Executive Camera Company provides full expenses for its sales force. When attempting to budget automobile expenses for its employees, the financial department uses mileage figures to estimate gas, tire, and repair expenses.
Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
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