Q9 · 2021 · Technology-freeSimple familiar1 mark
QUESTION 9
A basket contains 10 green apples and 30 red apples. Three apples are drawn at random from the basket with replacement. Determine the probability that exactly two of the three apples are green.
(A)
(B)
(C)
(D)
WORKED SOLUTION
1 markAnswer B
ANSWER
B
Worked solution
With , .
Selects option B.
Worked explanation by QCE Vault; correct option verified against the QCAA answer key.
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