Mathematics (AS & A Level) · Oct / Nov 2018 · Paper 71 · Question 5
9709
As printed in the paper
The question as text
The times, in months, taken by a builder to build two types of house, P and Q, are represented by the independent variables T1 ∼N2.2, 0.42 and T2 ∼N2.8, 0.52 respectively.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
5(i)[4]
5(ii)[5]
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.