# statistics

posted by
**john**
.

A company manufacturers batteries of 18 and there is a 3% rate of defects. Find the standard deviation for the number of defects per batch.

Did you mean to write:

"A company manufacturers batteries IN BATCHES of 18 and there is a 3% rate of defects." ? Your question makes no sense as you have written it

Yes, I meant to write, "a company manufacturers batteries in BATCHES of 18 and there is a 3% rate of defect. Find the standard deviation for the number of defects per batch.