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Statistics Paper 62 -- How was it?!

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yes, i'm sure. I checked this method from marking scheme for without replacement questions.

Yes, it is indeed correct. The correct answer was supposed to be 0.368, and it gives exactly that.
I made a horrendous error. What I did was write 4C2*(18/30)*(17/29)*(12/30)*(11/29) and got the answer 0.320. I must have been blind or something. Do you expect I'd get any marks out of 4? 2 maybe?
 
Messages
102
Reaction score
10
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28
Exactly, you 'll get around 2 to 3 marks
Yes, it is indeed correct. The correct answer was supposed to be 0.368, and it gives exactly that.
I made a horrendous error. What I did was write 4C2*(18/30)*(17/29)*(12/30)*(11/29) and got the answer 0.320. I must have been blind or something. Do you expect I'd get any marks out of 4? 2 maybe?
 
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