Mathematics (AS & A Level) · Feb / March 2018 · Paper 72 · Question 4
9709
As printed in the paper
The question as text
A store sells two types of computer, laptops and tablets. The number of laptops sold per hour is modelled by a random variable with distribution Po0.9 . The number of tablets sold per hour is modelled by an independent random variable with distribution Po1.5 .
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
4(i)[3]
4(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.