Compute an upper and a lower bound
Use the first two Bonferroni inequalities to compute an upper and a lower bound on the probability that in a group of 60people, at least 3 were born on the same day.
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The daily high temperature in Chicago for the month of August is approximately normal with mean 78 degrees F, and standard deviation 9 degrees F. What is the interquartile range for the daily high temperature for the month of August?
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The editor of a textbook publishing company is trying to decide whether to publish a proposed business statistics textbook. Information on previous textbooks published indicates that 10% are huge successes, 20% are modest successes,
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A population which includes 500 observations has mean of 40 and standard deviation of 15. A sample of size 100 is taken at random from this population. The standard error of the sample mean equals:
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