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The relative risk of contracting a certain coronary disease is 2.0 for male smokers compared to male nonsmokers and 3.0 for female smokers compared to female nonsmokers.
Is this enough information to determine whether male smokers or female smokers are more likely to contract the disease? If so, make that determination. If not, explain what additional information would be needed to make that determination.
Multiple choice question based on multiple regression - The t value obtained from the table to test an individual parameter at the 5% level
Using the distribution of the sample means, according to the 68-95-99.7 rule, how far away are approximately 95% of all of the possible sample means ('s) from 40 years?
A researcher conductued a study of the access speed of 35 hard drives and concluded that his maximum error of estimate was 35. If he were to conduct a second study to reduce the maximum error of estimate to 7, about how many hard drives should he ..
a manuscript is sent to a typing firm consisting of typists a b and c. if it is typed by a then the number of errors
jacks game preserve is stocked with 30 moose 25 elk and 45 deer. five years later a sample of animals yields 90 moose
While this campaign ended with a massive US military victory in which the Viet Cong were utterly destroyed as a fighting force, it is widely considered a major political defeat for the US because it initiated a major groundswell of opposition to t..
During the past year in the maternity ward of a hospital in a large city, 1,254 Males were born and 1,462 Females. If we can assume this data is representative of all births in the city: What is the probability that it will be a girl
If it has an emergency locator, what is the probability that it will not be discovered? If it does not have an emergency locator, what is the probability that it will be discovered?
what is the probability of getting a license plate that has a repeated letter or digit if you live in a state in which
A ramdon of 30 birth records from a local hospital were slected. Assume that the distrubition birth weights is normally distributed. In a sample average birth weight was 123 ounces with a standard deviation of 7.5 ounces.
a researcher uses analysis of variance to test for mean differences among four treatments with a sample of n 8 in each
nine college students had eaten the following number of times at a fast food restaurant for dinner in the last ten
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