Math, asked by sitampaswan4120, 7 months ago

A box contains 6 red and 5 blue marbles. Another box contains 5 red and 8 blue marbles. One box is selected at random and from that box, one marble is drawn. What is the probability that the marble drawn is blue?

Answers

Answered by BrainlyEmpire

7

Answer:

Hello mate

Step-by-step explanation:

Probability of selecting a blue ball in 1

st

attempt =

15

5

Probability of selecting a red ball in 2

nd

attempt =

14

6

Probability of selecting a white ball in 3

rd

attempt =

13

4

They can re-arrange themselves in

2!

4!

ways.

Probability =

2!

4!

×

15

5

×

14

6

×

13

4

=

91/48

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