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A study looked at the birth weights of 532 babies born in the United States. The mean weight was 3234 grams with a standard deviation of 871 grams. Assume that birth weight data are approximately bell shaped. Estimate the number of newborns who weighed between 1492 and 4976 grams. Write only a number as your answer and round to the nearest whole number.
Find a 95% confidence interval for the population variance in height at the midpoints between guard towers of the Great Wall.
suppose that 75 of adult americans agree that while downloading music from the internet and then selling it is piracy
Faculty salaries. Here are the salaries for a sample of professors in a mathematics department at a large midwestern university for the academic years 2010-2011
on friday wall street traders were anxiously awaiting the federal governments release of numbers on the january
Would the correlation be greater, smaller, or about the same if you calculated the correlation between the weights of individual men and their heights (rounded to the nearest inch)? Explain your answer?
The mean and the standard deviation of a characteristics of 100 items were found to be 60 &10 respectively at the time of calculations two items were taken as 5 & 45 instead of 30 & 20.
After the education program, 58 of the physicians in the control group prescribed the analgesic and 42 in the education group.
Find a 90% confidence interval for the population mean price (per 100 pounds) that farmers in this region get for their watermelon crop (in dollars).
Discuss the importance of efficiency and effectiveness as key managerial interests, and analyze the primary conditions for each in healthcare
If the salary and compa mean tests in questions 2 and 3 provide different results about male and female salary equality, which would be more appropriate to use in answering the question about salary equity - how do you interpret the results and what ..
at the downtown office of first national bank there are five tellers. last week the tellers made the following number
What does this theorem allow that traditional statistics do not? What are some prerequisites for using Bayesian statistics?
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