It was alright, a lot of thinking and tedious work but doable. I
lost one mark due to carelessness, read "product is 7" as "sum is
7". Minus one mark. Shall I type out all my answers? Do tell me if
yours are different :(
(ii) A= 1, B= -12, C= 12 (I think this is wrong I anyhow do
haha)
10a) frequency by column: 3, 7, 12, 13, 5
(ii)(a) 15kg
(b) 4.45kg
(c) Answer is 0 (I got this wrong; careless)
(d) 7/15 (unsure)
(ii) A= 1, B= -12, C=
12
i got got an answer that includes A=0.
10a) frequency by
column: 3, 7, 12, 13, 5
is it not 3 7 11 14 5?
(d) 7/15
(unsure)
i get 8/15.