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If A and B are independent events which rule do we use?
A. P(A or B) = P(A) + P(B)
B. P(A and B) = P(A) . P(B)
Coral City has a beltway which circles the city.The City Council is concerned about the mean population speed of the cars on that beltway.Find the sample size if the City Council wants to estimate the mean speed within 1 mile per hour with 95%..
Prepare a critical analysis of a quantitative study focusing on protection of human participants data collection data management and analysis problem statement and interpretation of findings
A maker of a certain brand of low fat cereal bars claims that the average saturated fat content is 0.5 grams. To check the claim, a random sample of 9 cereal bars of this brand were drawn, and the sample mean and sample standard deviation was found ..
Suppose that you wish to invest in two stocks which both have a current price of $1. The values of these two stocks in one month are described by two random variables, say, X 1 and X 2 . Suppose that the expected values and variances of X 1 and..
What are other analytics that could be done for this client that would add insight - What was the most important attribute the client should take away from this analysis and why
Movie Budgets. How does the cost of a movie depend on its length? Data on the cost (millions of dollars) and the running time (minutes) for 29 films of 2005 are provided in the SPSS data set called Movie_budgets.sav (found on your class site..
Traditionally, 2 percent of the citizens of the United States live in a foreign country because they are disenchanted with U.S. politics or social attitudes. In order to test if this proportion has increased since the September 11, 2001, terror attac..
A major razor blade manufacturer advertises
question 1 give illustrations of primary secondary and tertiary prevention that will be used to reduce the damage
Wiley Publications has determined that out of a sample of 5,826 of its publications for 2012, 4,222 of them had been pirated online in some form. What is the estimate of the population proportion? What is the standard error of this estimate?
A group of researchers runs a study in which they look at the relationship between music preferences and reading preferences. What statistical test should the researchers use on their data?
Given the sample mean and the sample standard deviation.Use this information to construct the 90% and 95% confidence intervals for the population mean. Which intervals is wider?
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