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Question: Sports and Leisure The Der Dachstein mountain in Austria has several hiking trails, lots of options for skiers, and a spectacular sky walk that extends out from a ledge to offer a view of the Alps. A new cable car takes passengers to approximately 2700 meters above sea level in approximately 5.5 minutes. A random sample of cable car rides was selected and the time (in minutes) to reach the top was recorded for each. The data are given in the following table.
Assume the underlying population is normal and σ = 1.3. Is there any evidence to suggest that the mean cable car time is greater than 5.5 minutes? Use a = 0.05 and compute the p value to draw a conclusion.
Perform an analysis of variance for the data. Display the computed quantities in an ANOVA table.- Find the value of R2 that would be obtained if you were to fit the linear model in part b to the data.
Write a computer algorithm that simulates a hypergeometric random variable with parameters - Show that you can choose your die so that you have probability 2/3 of winning no matter which die your friend picks.
At the 0.025 level of significance, test whether customer size might be independent of estimation accuracy.
houses with and without air conditioners on nine different streets in a certain city are shown below. test at the 5
Acid rain. A study of the effects of acid rain on trees in the Hopkins Forest shows that 25 of 100 trees sampled exhibited some sort of damage from acid rain.
In business, do nice guys finish first or last? In baseball, there is an old saying that ‘‘nice guys finish last.'' Is this true in the business world?
Discuss the European motives for expansion and colonization in the New World. Then describe the different colonial transplantations.
What are the types of origin of racism and how did they come into existence?
Procter & Gamble (P&G) merged with Gillette in 2005. One of the concerns the new, larger company has is the increasing burden of retirement expenditures.
Find the distribution of the sample proportion of people who have a copayment of more than $10 for an office visit. Verify the nonskewness criterion.
suppose that z is a random variable with a n0 1 distribution. define a stochastic process via xt ?tz and note that for
For simple random samples of size n, with n > 30, describe the sampling distribution of the proportion of females in the sample.
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