Question 5 - Week 3 Practice | Prasnya
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Week 3
Question 5
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Est. 2 min
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+3.00
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Let
X
X
be the number of items produced by a machine on a given day with
E
[
X
]
=
7
E[X]=7
and
E
[
X
2
]
=
55
E[X^2]=55
. Using Chebyshev's inequality, find a lower bound on the probability that a machine produces between
4
4
and
10
10
items on a given day.
Single correct
Medium Difficulty
13 July 2025
A
2
3
\frac{2}{3}
B
1
3
\frac{1}{3}
C
1
2
\frac{1}{2}
D
3
4
\frac{3}{4}