Finding sample size by using confidence level and probability

Dear all,

I am initiating a sample plan for verification tests based on risk analysis results for a new product.
My risk analysis is connected to sample plan by two parameters:
1) Probability of acceptance
2) Confidence level

For example:
What should be the sample size if we know-
a) That probability of acceptance is 95%
b) And the confidence level is 90%
The data type is attribute.
I assume that table X-A-1 in Mil-Std 105 can help to find the answer, but I am not familiar with the connection of the 2 parameters with a sample size.
I know that there is a way to do it , but again I don’t know how to do it.

Thank you in advance
Nissim
 

Jim Wynne

Leader
Admin
Dear all,

I am initiating a sample plan for verification tests based on risk analysis results for a new product.
My risk analysis is connected to sample plan by two parameters:
1) Probability of acceptance
2) Confidence level

For example:
What should be the sample size if we know-
a) That probability of acceptance is 95%
b) And the confidence level is 90%
The data type is attribute.
I assume that table X-A-1 in Mil-Std 105 can help to find the answer, but I am not familiar with the connection of the 2 parameters with a sample size.
I know that there is a way to do it , but again I don’t know how to do it.

Thank you in advance
Nissim

Nissim,

You've already asked this question in this thread; why don't you give Tim a chance to answer you?
 
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