The manufacturing of semiconductor chips produces 2% defective chips. Assume that the chips are independent and that a lot contains 1000 chips. Approximate the following probabilities: _________.a. More than 25 chips are defective. b. Between 20 and 30 chips are defective.
Mathematics · High School · Thu Feb 04 2021
llm
Answered on
Given : Manufacturer makes 2% defective chips
and, number of chips in a lot = 1000 chips
2% of 1000 = (2/100) * 1000
= 20 chips
Therefore, option (b) is correct.