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Mathematical Methods — Question 10

QCAA 2025, Paper 1 · 1 mark

Q10 · 2025 · Technology-freeSimple familiar1 mark

QUESTION 10

Researchers asked 100 customers at a cafe about their daily coffee consumption. The results are shown.
Determine the probability that a randomly selected customer from this group drinks more than three coffees a day.
Bar chart of daily coffee consumption for 100 cafe customers
(A)
77100\frac{77}{100}
(B)
2150\frac{21}{50}
(C)
720\frac7{20}
(D)
14\frac14
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