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Eye Survey The table shows the results of a survey that

Elementary Statistics: Picturing the World | 6th Edition | ISBN: 9780321911216 | Authors: Ron Larson; Betsy Farber ISBN: 9780321911216 66

Solution for problem 26E Chapter 3.3

Elementary Statistics: Picturing the World | 6th Edition

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Elementary Statistics: Picturing the World | 6th Edition | ISBN: 9780321911216 | Authors: Ron Larson; Betsy Farber

Elementary Statistics: Picturing the World | 6th Edition

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Problem 26E

Problem 26E

Eye Survey The table shows the results of a survey that asked 3203 people whether they wore contacts or glasses. A person is selected at random from the sample. Find the probability of each event.

 

Only contacts

Only glasses

Both

Neither

Total

Male

64

841

177

456

1538

Female

189

427

368

681

1665

Total

253

1268

545

1137

3203

(a) The person wears only contacts or only glasses.

(b) The person is male or wears both contacts and glasses.

(c) The person is female or wears neither contacts nor glasses.

(d) The person is male or does not wear glasses.

Step-by-Step Solution:

Solution :

Step 1 of 4:

Given the results of a survey that asked 3203 people whether they wore contacts or glasses.

Then the table is given below,

Only contacts

Only glasses

Both

Neither

Total

Male

64

841

177

456

1538

Female

189

427

368

681

1665

Total

253

1268

545

1137

3203

a). We need to find the probability that the person wears only contacts or only glasses.

Then the probability that the person wears only contacts or only glasses is

P(only contacts or only glasses) = P(only contacts)+P(only glasses)

P(only contacts or only glasses) =

P(only contacts or only glasses) =

P(only contacts or only glasses) = 0.2491

Therefore, the probability that the person wears only contacts or only glasses is 0.2491.


Step 2 of 4

Chapter 3.3, Problem 26E is Solved
Step 3 of 4

Textbook: Elementary Statistics: Picturing the World
Edition: 6
Author: Ron Larson; Betsy Farber
ISBN: 9780321911216

This textbook survival guide was created for the textbook: Elementary Statistics: Picturing the World , edition: 6. The answer to “Eye Survey The table shows the results of a survey that asked 3203 people whether they wore contacts or glasses. A person is selected at random from the sample. Find the probability of each event. Only contactsOnly glassesBothNeitherTotalMale648411774561538Female1894273686811665Total253126854511373203(a) The person wears only contacts or only glasses.________________(b) The person is male or wears both contacts and glasses.________________(c) The person is female or wears neither contacts nor glasses.________________(d) The person is male or does not wear glasses.” is broken down into a number of easy to follow steps, and 75 words. Elementary Statistics: Picturing the World was written by and is associated to the ISBN: 9780321911216. Since the solution to 26E from 3.3 chapter was answered, more than 2111 students have viewed the full step-by-step answer. This full solution covers the following key subjects: glasses, Person, contacts, wears, male. This expansive textbook survival guide covers 66 chapters, and 3049 solutions. The full step-by-step solution to problem: 26E from chapter: 3.3 was answered by , our top Statistics solution expert on 08/25/17, 09:43AM.

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