Mathematics (AS & A Level) · Oct / Nov 2021 · Paper 63 · Question 7
9709
As printed in the paper
The question as text
The masses, in grams, of apples from a certain farm have mean - and standard deviation 5.2. The farmer says that the value of - is 64.6. A quality control inspector claims that the value of - is actually less than 64.6. In order to test his claim he chooses a random sample of 100 apples from the farm.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
7(a)[5]
7(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.

