A random sample of computer users was asked which browser they primarily relied on for surfing the Internet and whether this browser was installed on a PC or on a Mac computer. The following contingency table shows these results. Given that the randomly selected computer was a PC, the probability that the computer used the Firefox browser is ________.
A) 0.235
B) 0.320
C) 0.361
D) 0.443

Question

A random sample of computer users was asked which browser they primarily relied on for surfing the Internet and whether this browser was installed on a PC or on a Mac computer. The following contingency table shows these results.  Given that the randomly selected computer was a PC, the probability that the computer used the Firefox browser is ________.
A) 0.235 
B) 0.320 
C) 0.361 
D) 0.443

Quizplus · Accepted Answer

The Answer of A random sample of computer users was asked which browser they primarily relied on for surfing the Internet and whether this browser was installed on a PC or on a Mac computer. The following contingency table shows these results.  Given that the randomly selected computer was a PC, the probability that the computer used the Firefox browser is ________.
A) 0.235 
B) 0.320 
C) 0.361 
D) 0.443

A Random Sample of Computer Users Was Asked Which Browser