Question

Please help me with the (b) part.
Among 10 laptop computers, five are good and five have defects. Unaware
of this, a customer buys 6 laptops.
(a) What is the probability of exactly 2 defective laptops among them?
(b) Given that at least 2 purchased laptops are defective, what is the
probability that exactly 2 are defective?

Answer 1

Please can someone tell me what distribution do i need to use??

Answer 2

@Falconmaster

Answer 3

33% i think

Answer 4

For the b part? or a

Answer 5

50% chance you get a good one and 50% you odnt so fr a there is 6 half of 6 is 3 thats 50 so 2 would be 33% i think

Answer 6

and the chance of the second part b is 50%

Answer 7

Thanks a lot for the help!!!!

Answer 8

welcome