Mathematics, 25.02.2020 21:21 holyturnley
Eighteen telephones have just been received at an authorized service center. Six of these telephones are cellular, six are cordless, and the other six are corded phones. Suppose that these components are randomly allocated the numbers 1, 2, . . . , 18 to establish the order in which they will be serviced. (Round your answers to four decimal places.)
(a) What is the probability that all the cordless phones are among the first twelve to be serviced?
(b) What is the probability that after servicing twelve of these phones, phones of only two of the three types remain to be serviced?
(c) What is the probability that two phones of each type are among the first six serviced?
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 15:00
Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income
Answers: 1
Mathematics, 21.06.2019 19:30
Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.
Answers: 1
Mathematics, 21.06.2019 19:40
Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297
Answers: 1
You know the right answer?
Eighteen telephones have just been received at an authorized service center. Six of these telephones...
Questions
Mathematics, 29.12.2019 23:31
Mathematics, 29.12.2019 23:31
Health, 29.12.2019 23:31
Mathematics, 29.12.2019 23:31
Chemistry, 29.12.2019 23:31
Mathematics, 29.12.2019 23:31
Mathematics, 29.12.2019 23:31
Mathematics, 29.12.2019 23:31
