18:00
1 of 5
Higher
Non-calculator
P8 Independent and dependent combined events
Question 1 · 3 marks
Spec and skills
Paper scope: Paper 1: non-calculator practice
Spec P8
Original practice question
Answer and supported method checks
A box contains 4 green balls and 6 yellow balls. Three balls are taken at random without replacement.
Work out the probability that at least one of the balls is green.
xⁿ
a/b
√
π
(
)