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Mathematics
Mathematics
Problem
Set
A
A
A
contains all integers
x
x
x
such that
x
2
−
5
x
+
4
≤
0
x^{2} - 5x + 4 \leq 0
x
2
−
5
x
+
4
≤
0
. Set
B
B
B
contains all integers
y
y
y
such that
1
≤
y
≤
5
1 \leq y \leq 5
1
≤
y
≤
5
. Determine the probability that a number selected at random from set
B
B
B
is also in set
A
A
A
.
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