Mathematics (AS & A Level) · Oct / Nov 2024 · Paper 62 · Question 2
9709
As printed in the paper
The question as text
The lengths of a random sample of 50 roads in a certain region were measured. Using the results, a 95% confidence interval for the mean length, in metres, of all roads in this region was found to be [245, 263].
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
2(a)[1]
2(b)[2]
2(c)[1]
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.