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Question 1 · 4 marks
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Edexcel 9FM0
X
i
∼
P
o
(
4
)
X_i\sim\mathrm{Po}(4)
X
i
∼
Po
(
4
)
.
A random sample of size 64 is taken.
(a)
Use the central limit theorem without continuity correction to estimate
P
(
X
ˉ
>
4.5
)
P(\bar X>4.5)
P
(
X
ˉ
>
4.5
)
.
3 marks