a bag contains 5 red balls and some Blue Balls if the probability of drawing a blue ball is double that of a red ball find the probability of getting a blue ball
Answers
Answered by
0
no of favourable outcomes by total no of outcomes 10 divided by 5=5
Answered by
0
Answer:
Let there be x blue balls in the bag.
∴ Total number of balls in the bag = 5 + x Now,
p_{1} = Probability of drawing a blue ball = \fraction{x}{5 + x}
p_{2} = Probability of drawing a red ball = \fraction{5}{5 + x}
But it is given that P_{1} = 2p_{2}
⇒ \frac{x}{5 + x} = 2 \times \frac{5}{5 + x}
⇒ x = 10
Step-by-step explanation:
ajinvijayan:
how the final answer become 10
Similar questions