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Question: Suppose a study on the relationship between gender and political party included 200 men and 200 women and found 180 Democrats and 220 Republicans. Is that information sufficient for you to construct a contingency table for the study? If so, construct the table. If not, explain why not.
A pharmaceutical company wants o test a new cholesterol drug. The average cholesterol of the target population is 200 mg and they have a standard deviation of 25 mg. The company wished to test a sample of people who fall between 1.5 and 3.0 z sco..
a random sample of 2000 men and 2700 women in the age group of 18 to 25 were asked if they still live with their
Suppose that blood chloride concentration
Particular flight involving a jumbo-jet with 261 seats, the airline sells 270 tickets. What is the probability that the airline will not have enough seats for all the ticket holders who show for the flight?
Midnight blue and dark green are the two most popular colors. How many different backpacks in these colors does the company offer?
Compute the 90% confidence interval about m if the sample size, n, is 55. How does does increasing the sample size affect the margin of error, E?
the supreme court has said that z-scores beyond z 2 or 3 are generally convincing statistical evidence. for a
1. The counselor calculates the unbiased estimate of the population's variance to be 15. What is the variance of the distribution of means?
What are the main points that are talked on the article/ reading "Constructions of the imaginary indians" by Marcia Crosby
Is there evidence that the population mean is above $300, if X (bar) = $305.11 and s = $43.20?
Confidence interval for the average weight of a nickel. How many nickels does he need to weigh to obtain an average accurate to within 10 milligrams?
Give the name of the kind of sampling that was most likely used in each of the following cases: a Wall Street Journal poll of 2,000 people to determine the president's approval rating
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