Checkout JEE MAINS 2022 Question Paper Analysis : Checkout JEE MAINS 2022 Question Paper Analysis :

India plays two matches each with West Indies and Australia. In any match the probabilities of India getting point 0, 1 and 2 are 0.45, 0.05 and 0.50 respectively. Assuming that the outcomes are independents, the probability of India getting at least 7 points is

1) 0.8750

2) 0.0875

3) 0.0625

4) 0.0250

Solution: Option (2) 0.0875

Total number of matches played by India = 4

Maximum point in any two matches = 2

Therefore, the maximum number of points in four matches = 4(2) = 8

Hence, the required probability = P(7) + P(8)

= 4C3 (0.5)3(0.05) + 4C4 (0.5)4

= 0.025 + 0.0625

= 0.0875.

Was this answer helpful?

 
   

5 (3)

(10)
(7)

Choose An Option That Best Describes Your Problem

Thank you. Your Feedback will Help us Serve you better.

Leave a Comment

Your Mobile number and Email id will not be published. Required fields are marked *

*

*

Ask
Question