A-Level
CAIE
Mathematics
October 2025
QP-202510-Mathematics-P61 · Question 4
Question (excerpt):
9709/61/O/N/25 © UCLES 2025 4 The masses of a certain species of animal are known to be normally distributed with standard deviation v kg. A researcher obtains the masses of a random sample of n anima…
9709/61/O/N/25 © UCLES 2025 4 The masses of a certain species of animal are known to be normally distributed with standard deviation v kg. A researcher obtains the masses of a random sample of n anima…
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