Would confidence in the results increase
A poll of 1100 randomly selected students in grades 6 through 8 was conducted and found that 47% enjoy playing sports. Would confidence in the results increase if the sample size were 3600 instead of 1100? Why or why not?
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The distribution of dates was more or less mound-shaped and symmetrical about the mean. Use the empirical rule to estimate a range of years centered about the mean in which about 99.7% of the data (tree-ring dates) will be found.
Democrats and 70% of the Republicans favor the bill. The bill needs a simple majority to pass. Using a probability tree, determine the probability that the bill will pass.
How do you know if a functional group is hydrophobic or hydrophilic?
Assume that x has a normal distribution, with the specified mean and standard deviation.
Discuss how culture, ethnicity and race may influence behavior and why a psychologist needs to take this into account?
In the text we briefly discussed the problems of understanding natural languages as opposed to formal programming languages. As an example of the complexities involved in the case of natural languages, identify situations in which the question Do you
Compute the probability that 8 or more women would be laid off at random. Based on your answer, do you think that management really laid off these people randomly? Explain.
Why do you think it was important for Oberto to have a computer-based forecasting program that could accept human input and even overrides?
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