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Question: COMMUTING TIMES Bill commutes to work in the business district of Boston. He takes the train 3/5 of the time and drives 2/5 of the time (when he visits clients). If he takes the train, then he gets home by 6:30 p.m. 85% of the time; if he drives, then he gets home by 6:30 p.m. 60% of the time. If Bill gets home by 6:30 p.m., what is the probability that he drove to work?
suppose that there are a total of 18 students in an elementary school class. the teacher assigns each of the students a
scores on an endurance test for cardiac patients are normally distributed with mean 200 and standard deviation 30.a
describe the logic underlying the use of multiple comparison
What is the average rating for all CBC movies? How about ABN movies and BBS movies - Create a line graph of the monthly average ratings for CBC for the year. Note that there are multiple ratings data for the months
A random sample of n = 4 scores is chosen from the population with µ = 80 and σ = 20. On average, how much difference would you expect between sample mean and population mean?
What's the most appropriate procedure for evaluating the relationship between tenure and divorce? What is the correlation and how can it be interpreted in terms of magnitude, direction and practical importance?
Suppose that recently the hospital randomly sampled 10 patient bills and conducted a thorough study to determine whether an error exists. It found 3 bills with errors. Assuming that managers are correct that they have improved the error rate to 0...
Expression used to compute an interval estimate of m may depend on any of the following factors except and expected value of the random variable
At a significance level of 0.01, can you conclude that the mean times are different? Assume each population of relief times is normally distributed and that the population variances are equal.
Construct a frequency distribution of grouped scores with approximately 11 intervals.- Construct a histogram of the frequency distribution constructed in part a.
the executives of electronic products company epc have to decide which of two products to introduce a or b. each has
A. Create the probability distribution table for grade points for this professor. B. Find the mean of this probability distribution and provide and interpretation of this mean. C. Find the variance and standard deviation.
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