Q1 · 2024 · Technology-activeSimple familiar1 mark
QUESTION 1
The probability of hitting a target in a particular binomial experiment is 0.72. Determine the mean of the number of hits if this experiment is repeated eight times.
(A)
1.61
(B)
2.24
(C)
5.76
(D)
7.28
WORKED SOLUTION
1 markAnswer C
ANSWER
C — 5.76
Worked solution
For a binomial random variable, , so option C.
Selects option C.
Worked explanation by QCE Vault; correct option verified against the QCAA answer key.
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