# statistics

posted by
**Rebecca**
.

A company manufactures calculators in batches of 64 and there is a 5% rate of defects. What is the standard deviation for the number of defects per batch?

posted by
**Rebecca**
.

A company manufactures calculators in batches of 64 and there is a 5% rate of defects. What is the standard deviation for the number of defects per batch?