A-Level
CAIE
Mathematics
May 2025
QP-202505-Mathematics-P61 · Question 3
Question (excerpt):
9709/61/M/J/25 © UCLES 2025 3 The time, T minutes, for a certain daily bus journey is normally distributed. The bus company claims that the mean of T is 45. A passenger believes that the mean of T is …
9709/61/M/J/25 © UCLES 2025 3 The time, T minutes, for a certain daily bus journey is normally distributed. The bus company claims that the mean of T is 45. A passenger believes that the mean of T is …
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