A-Level
CAIE
Mathematics
October 2025
QP-202510-Mathematics-P53 · Question 7
Question (excerpt):
9709/53/O/N/25 © UCLES 2025 7 The times taken by Obi to walk to work each morning are normally distributed with mean 14.8 minutes and standard deviation 1.5 minutes. (a) Find the probability that, on …
9709/53/O/N/25 © UCLES 2025 7 The times taken by Obi to walk to work each morning are normally distributed with mean 14.8 minutes and standard deviation 1.5 minutes. (a) Find the probability that, on …
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