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The probability that a vehicle entering the Luray Caverns has Canadian license plates is 0.12; the probability that it is a camper is 0.28; and the probability that it is a camper with Canadian license plates is 0.09. What is the probability that
(a) a camper entering the Luray Caverns has Canadian license plates?
(b) a vehicle with Canadian license plates entering the Luray Caverns is a camper?
(c) a vehicle entering the Luray Caverns does not have Canadian plates or is not a camper?
Compute the mean, variance and standard deviation for the grouped data. Based on the previous answer, how much could the realtor expect to make if he sells 3 houses?
If these answers were combined into single statistic, how could we explain sample space? Mention how many elements are in sample space?
If you must estimate the population mean within 10 days, how many outside salespeople should you sample? Use the 90 percent confidence level.
Here is a two-way table showing enrollment data for full-time undergraduate students in U.S. colleges and universities. The entries are thousands of students:
Compute the value of the test statistic. (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.)
what statement should be made about the null and alternative hypothesis based on sample data and significance level?
Identify and briefly describe an important process in your workplace, including selection of one key quantitative variable, that you (and others in your organization) consider an important metric for how well the process is functioning.
In previous tests, baseballs were dropped 24ft onto a concrete surface, and they bounced an average of 92.84% in. In a test of a sample of 40 new balls, the bounce had a mean of 92.67 in.
Human populations can be modeled using an exponential growth function. Use the Library for research or other resources to find the following:
Complete hypothesis test using a 5% level for risk with directional research hypothesis.
According to a recent survey, 275 of 400 middle-aged Americans said they used the Internet regularly. 140 of 400 senior citizens said they used the Internet regularly.
A survey of licensed drivers inquired about running red lights. One question asked, "Of every ten motorists who run a red light, about how many do you think will be caught?"
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