For Quality Control Purposes, a Company That Manufactures Sim Chips

Multiple Choice

For quality control purposes, a company that manufactures sim chips for cell/smart phones routinely takes samples from its production process. Since it is important that
These chips are nearly fault free, one inspection check involves using microscopic
Equipment to count the number of imperfections on each chip. Suppose the average
Number of imperfections per 1000 sim chips is 3. What is the probability that a sample
This size (1000 chips) has 2 imperfections?

A) 0.4232
B) 0.2510
C) 0.2240
D) 0.5689
E) 0.0034