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Sample Size Calculator (Binomial)
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Binomial Acceptance Equation
∑
i
=
0
f
(
n
i
)
(
1
−
R
)
i
R
n
−
i
=
1
−
C
L
\sum_{i=0}^{f} \binom{n}{i}(1-R)^i R^{n-i} = 1-CL
i
=
0
∑
f
(
i
n
)
(
1
−
R
)
i
R
n
−
i
=
1
−
C
L
n
= sample size,
f
= allowed failures,
R
= reliability,
CL
= confidence level.
Failures (f)
Confidence Level (%)
Reliability (%)
Sample Size (n)
Calculate