Note AcademyNote Academy

Mathematics (AS & A Level) · Feb / March 2019 · Paper 72 · Question 1

9709

As printed in the paper

The question as text

The masses of a certain variety of plums are known to have standard deviation 13.2 g. A random sample of 200 of these plums is taken and the mean mass of the plums in the sample is found to be 62.3 g.

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme
  • 1(i)[3]

  • 1(ii)[1]

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.