Question 14 - A-Level Maths

Exam Board	AQA
Module	Paper 3 (Paper 3)
Year	2023
Session	June
Marks	1
Topic	Normal Distribution
Type	Symmetric properties of normal

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The mass of aluminium cans recycled each day in a city may be modelled by a normal distribution with mean 24500 kg and standard deviation 5200 kg .

State the probability that the mass of aluminium cans recycled on any given day is not equal to 24500 kg .

[1 mark]

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A member of the council claims that if a different sample of 24 days had been used the hypothesis test in part (b) would have given the same result. Comment on the validity of this claim.