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Mathematical Methods — Question 7

QCAA 2024, Paper 1 · 1 mark

Q7 · 2024 · Technology-freeSimple familiar1 mark

QUESTION 7

Twenty families are selected to participate in a lifestyle study related to family size. The number of children in these families is uniformly distributed as shown.
A random sample of five families is chosen from this group, without replacement. A possible mean number of children in the sample is
Uniform frequency graph showing four families for each family size from one to five children
(A)
5.0
(B)
2.0
(C)
1.0
(D)
0.0
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