71mjroberts
71mjroberts 71mjroberts
  • 15-04-2018
  • Mathematics
contestada

A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn. What is the probability of selecting a purple marble and then a white marble?

Relax

Respuesta :

Аноним Аноним
  • 15-04-2018
Total marbles = 2 + 7 = 9

P(Purple, then white) = (7/9)(2/8) = 7/36

Answer: 7/36
Answer Link

Otras preguntas

in the diagram AB bisects FAE. BF=5x and BE=x2+6. Solve for x.
Crops produce the greatest amount of waste, mainly from plant parts not harvested as food. Why are most people less concerned about crop waste than other types
What is 12. 6 more than twice m algebraic expression
Solve 2p^4+6p^3-8p^2-4p
a recipe calls for cookies for 3 1/4 cups of. sugar.amy already puts in 3 1/9 cups.how many more cups does she nees t put in
Compare and contrast the three classes of levers.
Solve 2p^4+6p^3-8p^2-4p
Can some one help me Please help
The Miller family visited Mama's kitchen and ordered 4 hamburgers and 3 medium fries and paid $17.35. James ordered a medium drink , and a hamburger , and mediu
Evaluate the expression when x = -2.5 1. -x 2. |x| + 3 3. |x| - 4 Help me please!!? D;