Mathematics (AS & A Level) · May / June 2023 · Paper 61 · Question 5
9709
As printed in the paper
The question as text
Large packets of rice are packed in cartons, each containing 20 randomly chosen packets. The masses of these packets are normally distributed with mean 1010g and standard deviation 3.4g. The masses of the cartons, when empty, are independently normally distributed with mean 50g and standard deviation 2.0g.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
5(a)[2]
5(b)[5]
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.