27-04-2021
Mathematics

contestada

There are 7 yellow marbles, 6 blue marbles, 5 green marbles and 3 red marbles. What is the probability of drawing a red and then a blue marble
WITHOUT replacement?

Respuesta :

clarch19 clarch19

27-04-2021

Answer:

3/70

Step-by-step explanation:

P(R,B) no replacement: 3/21 x 6/20 = 1/7 x 3/10 or 3/70 reduced

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