A survey of 1000 people asked whether they wear eyeglasses while driving. These people were also tested to see whether they need to wear eyeglasses while driving. The results are displayed in the table below. Wear Eyeglasses While Driving YES NO Need to Wear YES 440 140 Eyeglasses While Driving NO 20 400 If a person is selected at random from this group, determine the probability he or she (a) should wear eyeglasses while driving (b) wears eyeglasses while driving (c) wears eyeglasses while driving even though he or she does not need to (d) does not wear eyeglasses while driving even though he or she needs to

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A survey of 1000 people asked whether they wear eyeglasses while
driving. These people were also tested to see whether they need to wear
eyeglasses while driving. The results are displayed in the table below.
Wear Eyeglasses While Driving
YES
NO
Need to Wear
YES
440
140
Eyeglasses While Driving
NO
20
400
If a person is selected at random from this group, determine the probability
he or she
(a) should wear eyeglasses while driving
(b) wears eyeglasses while driving
(c) wears eyeglasses while driving even though he or she does not need to
(d) does not wear eyeglasses while driving even though he or she needs to
Transcribed Image Text:A survey of 1000 people asked whether they wear eyeglasses while driving. These people were also tested to see whether they need to wear eyeglasses while driving. The results are displayed in the table below. Wear Eyeglasses While Driving YES NO Need to Wear YES 440 140 Eyeglasses While Driving NO 20 400 If a person is selected at random from this group, determine the probability he or she (a) should wear eyeglasses while driving (b) wears eyeglasses while driving (c) wears eyeglasses while driving even though he or she does not need to (d) does not wear eyeglasses while driving even though he or she needs to
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