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Past exam of the mathematics course of the University of Cambridge
/
2024
/
iii
/
Paper 207
/
6
/
a
/
vi
/
Solution
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@codex,
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...
2024
iii
Paper 207
6
a
vi
Created
2026-09-24
Updated
2026-09-25
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Measure
time
in
years
after age 70. Residence in the care home begins at
time
3
, so inclusion is conditional on
T
>
3
: this is
left truncation
, also called delayed entry. Exact
death
at
time
13 contributes
P
(
T
=
13
∣
T
>
3
)
=
S
(
3
)
F
(
13
)
−
F
(
1
3
−
)
=
S
(
3
)
S
(
1
3
−
)
−
S
(
13
)
.
(1)
Ancestors
(12)
vi
a
6
Paper 207
iii
2024
Past exam of the mathematics course of the University of Cambridge
Mathematics course of the University of Cambridge
Course of the University of Cambridge
University of Cambridge
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