Car Sounds Sells and Installs High-End Sound Systems for Cars

Multiple Choice

Car Sounds sells and installs high-end sound systems for cars.10% of the systems that the company installs need to be re-installed because of faulty first-time installation.You plan to randomly select 20 of Car Sounds' recent installations.In this sample, there's less than a 2% chance that more than what number of the systems will have to be re-installed.

A) 5
B) 4
C) 6
D) 3
E) 10