Mathematics (AS & A Level) · May / June 2023 · Paper 63 · Question 8
9709
As printed in the paper
The question as text
A new light was installed on a certain footpath. A town councillor decided to use a hypothesis test to investigate whether the number of people using the path in the evening had increased. Before the light was installed, the mean number of people using the path during any 20-minute period during the evening was 1.01. After the light was installed, the total number, n, of people using the path during 3 randomly chosen 20-minute periods during the evening was noted.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
8(a)[6]
8(b)[2]
8(c)[1]
8(d)[2]
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.

