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Z04 Math
Question 26
2021 April(Z04) Math Question 26
Probability
- One Event
Probability
Choice G
P
(
t
h
e
s
p
a
c
e
c
a
p
s
u
l
e
w
i
l
l
l
a
n
d
i
n
w
a
t
e
r
)
=
{
A
r
e
a
o
f
w
a
t
e
r
}
{
A
r
e
a
o
f
E
a
r
t
h
′
s
S
u
r
f
a
c
e
}
×
100
%
P(the \; space \; capsule \; will \; land \; in\; water)=\frac\{Area\quad of\quad water\}\{Area\quad of\quad \; Earth's\quad Surface\}\times 100\%
P
(
t
h
e
s
p
a
ce
c
a
p
s
u
l
e
w
i
ll
l
an
d
in
w
a
t
er
)
=
A
{
re
a
o
f
w
a
t
er
}
{
A
re
a
o
f
E
a
r
t
h
′
s
S
u
r
f
a
ce
}
×
100%
=
{
3
.63
×
10
8
}
{
3.63
×
10
8
+
1.48
×
10
8
}
×
100
%
=\frac\{3.63\times10^8\}\{3.63\times10^8 + 1.48\times10^8\}\times 100\%
=
3
{
.63
×
1
0
8
}
{
3.63
×
1
0
8
+
1.48
×
1
0
8
}
×
100%
≈
71
%
\approx 71\%
≈
71%
Skills you are tested for:
Probability
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