s1737924 s1737924

17-01-2022
Mathematics

contestada

You have 1 red marbles, 2 green and 2 blue marbles. What is the probability of pulling a blue marble and then without replacing the first marble grabbing a red marble?

Respuesta :

liyalinesh liyalinesh

17-01-2022

Answer:

blue marble = 2/5

red marble = 1/4

Step-by-step explanation:

The total probability is the total amount of marbles there are.

There are 5 at the start and 2 blue marbles so the probability is 2/5

Since you dont replace it the new total is 4 and there is only one red so 1/4

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