Probability That Exactly 1 is Defective in Getting 2 Cell Phones

Date of Exam
November 2016
Subject
Mathematics, Surveying and Transportation Engineering

Problem
A box contains 5 defective and 195 non-defective cell phones. A quality control engineer selects 2 cell phones at random without replacement. What is the probability that exactly 1 is defective?

A.   0.0190 C.   0.0390
B.   0.0490 D.   0.0290

 

Answer Key

 

Solution

 

Category
Probability
Dependent Events
Defective Cell Phone