Mathematics, 17.04.2020 02:30 ira51
You have 12 marbles: 5 are vermillion, 4 are emerald, and 3 are ultramarine. You divide them at random in four groups of 3 to give to your four best friends. Let X be the number of friends that receive 3 marbles of all distinct colors (one marble of each color). Find E(X) and Var(X).
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 18:40
A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days
Answers: 1
Mathematics, 21.06.2019 21:00
Choose the equation below that represents the line that passes through the point (2, 4) and has a slope of 3. a) y − 4 = 3(x − 2) b) y − 2 = 3(x − 4) c) y + 4 = 3(x + 2) d) y + 2 = 3(x + 4)
Answers: 1
Mathematics, 21.06.2019 21:20
Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?
Answers: 1
Mathematics, 21.06.2019 21:30
Having a hard time understanding this question (see attachment).
Answers: 2
You know the right answer?
You have 12 marbles: 5 are vermillion, 4 are emerald, and 3 are ultramarine. You divide them at rand...
Questions
History, 24.07.2019 01:30
Mathematics, 24.07.2019 01:40
Physics, 24.07.2019 01:40
History, 24.07.2019 01:40
History, 24.07.2019 01:40
History, 24.07.2019 01:40
History, 24.07.2019 01:40
History, 24.07.2019 01:40
History, 24.07.2019 01:40
Health, 24.07.2019 01:40
