# Normal Distribution as an Approximation to Binomial Experiment

*label*Statistics

*timer*Asked: Apr 22nd, 2015

**Question description**

A local company produces picture frames. It can be estimated that the probability of producing a defective picture frams is 0.25. If a batch of 200 picture frames is produced, fine the probablity that less than 20 picture frames are defective by using the normal approximation to the binomial distribution