A-Level
CAIE
Mathematics
October 2023
QP-202310-Mathematics-P63 · Question 4
Question (excerpt):
4 The masses, in kilograms, of chemicals A and B produced per day by a factory are modelled by the independent random variables X and Y respectively, where X ∼N 10.3, 5.76 and Y ∼N 11.4, 9.61. The i…
4 The masses, in kilograms, of chemicals A and B produced per day by a factory are modelled by the independent random variables X and Y respectively, where X ∼N 10.3, 5.76 and Y ∼N 11.4, 9.61. The i…
Question Slice Image
Official Mark Scheme & Solution
The official answer and mark scheme are available to signed-in users in the PaperAce App.