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A basketball team has 5 players more than 6 feet tall and 6 who are less than 6 feet tell. How many ways can they have their picture taken if the 5 taller players stand in a row behind the 6 shorter players who are sitting on a row of chairs?
The sampling distribution of mean score is approximately Normal. It has mean. What is its standard deviation?
Suppose that 800 jawbreakers are selected at random from the production lines. Would it be unusual for this sample of 800 to contain 406 jawbreakers that weigh more than .4 ounces?
The article can be on Descriptive Statistics, Probability and the Normal Distribution, Sampling and Sampling Distributions, Regression Analysis, or Time Series Forecasting.
A machine is adjusted so that when under control, the amount of sugar filled in a bag is normally distributed with a mean amount of 5 pounds.
question three defective electric toothbrushes were accidentally shipped to a drugstore by cleanbrush products along
Explain why the polls that are so frequently quoted during early returns on Election Day TV coverage are an example of cluster sampling.
Assume that waiting times are approximately normally distributed. Construct a 98% confidence interval for the population mean of waiting times.
Results are comparable to what could be expected in human serum. Are true binding percentages for five antibiotics tested all equal? Let α = 0.05.
Within plus or minus ten dollars of the true mean. The standard deviation is thought to be $500.00 (CTU, 2010) The determination of the sample size must be figured out.
Here is a fictitious example: Say your review of the literature shows that we know that smiling causes happiness. It also shows that there is disagreement among researchers and theorists in these areas.
Iit is known that signal change in this brain area is normally distributed with mean of 35 and standard deviation of 10. By using .01 level, what must researcher conclude?
How do you solve this problem: a researcher conducted a study of the access speed of 50 hard drives and concluded that his maximum error of estimate was 24.
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