Q257 · Practice questionTechnology-freeSimple familiar1 mark
QUESTION 257
For a continuous random variable with a probability density, equals
(A)
(B)
(C)
(D)
WORKED SOLUTION
1 markAnswer C
ANSWER
C
Worked solution
A single point has zero area under the probability density.
Exact answers unless rounding is specified; equivalent forms accepted.
Selects the correct option.
Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
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