Mathematics, 15.10.2019 21:30 peanutpinkypiepdma46
The speed with which utility companies can resolve problems is very important. gtc, the georgetown telephone company, reports it can resolve customer problems the same day they are reported in 80% of the cases. suppose the 15 cases reported today are representative of all complaints. a-1. how many of problems would you expect to be resolved today? (round your answer to 2 decimal places.) a-2. what is the standard deviation? (round your answer to 4 decimal places.) what is the probability 6 of the problems can be resolved today? (round your answer to 4 decimal places.) what is the probability 6 or 7 of the problems can be resolved today? (round your answer to 4 decimal places.) what is the probability more than 10 of the problems can be resolved today? (round your answer to 4 decimal places.)
Answers: 3
Mathematics, 21.06.2019 14:00
Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?
Answers: 2
Mathematics, 21.06.2019 20:50
There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?
Answers: 1
Mathematics, 22.06.2019 00:00
Find the distance between the point (-3,-4), and (see the picture below)
Answers: 1
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