The Student Room Group

Help with SS02 Jan 2012!

image.jpgNeed some help with part (a)(ii) of this question. It would be greatly appreciated.

E(X) = 2.3
S.d = 1.19 although I wouldn't think you need it
Reply 1
Original post by nemanuel96
image.jpgNeed some help with part (a)(ii) of this question. It would be greatly appreciated.

E(X) = 2.3
S.d = 1.19 although I wouldn't think you need it


2.3 x 24 - 1.7 x 16
Reply 2
Original post by TeeEm
2.3 x 24 - 1.7 x 16


Thanks TeeEm! The problem is I don't know where the 1.7 came from :frown:
Reply 3
Original post by nemanuel96
Thanks TeeEm! The problem is I don't know where the 1.7 came from :frown:


4 is the total number of lobsters

Expected sales = 2.3
Expected NO sale = 1.7

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