Mathematics, 27.06.2019 21:30 gracieorman4
Pleae im so confused! an experiment involves selecting a numbered chip, some black and some white, from a bag of chips. the probability of selecting a black chip with an even number is 12 . the probability of selecting a black chip is 35 . what is the probability of selecting a chip with an even number given that the chip is black?
Answers: 1
( By the conditional property )
Another question on Mathematics
Mathematics, 21.06.2019 15:30
Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?
Answers: 3
Mathematics, 22.06.2019 00:30
Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)
Answers: 2
Mathematics, 22.06.2019 01:30
An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ̊ and to the other is 52 ̊. how far apart are the cars?
Answers: 2
Mathematics, 22.06.2019 01:30
Kelli swam upstream for some distance in a hour.she then swam downstream the same river for the same distance in only 6 minutes.if the river flows at 5km/hr, how fast can kelli swim in still water?
Answers: 3
You know the right answer?
Pleae im so confused! an experiment involves selecting a numbered chip, some black and some white,...
Questions
Mathematics, 04.02.2020 17:55
English, 04.02.2020 17:55
English, 04.02.2020 17:55
Social Studies, 04.02.2020 17:55
Chemistry, 04.02.2020 17:55
Mathematics, 04.02.2020 17:55
History, 04.02.2020 17:55
History, 04.02.2020 17:55
