oting Results   Sex   Improvement Seen     No improvement No Opinion             Male   25   21 34 Female   16   38 16 The above table shows the results of a sample survey carried out by a fast-food restaurant to determine whether persons had noticed an improvement in its service in the last month Given that the patron thought there was an improvement, what is the probability that the patron was a male

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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Voting Results

 

Sex

 

Improvement Seen

 

 

No improvement

No Opinion

 

 

 

 

 

 

Male

 

25

 

21

34

Female

 

16

 

38

16

The above table shows the results of a sample survey carried out by a fast-food restaurant to determine whether persons had noticed an improvement in its service in the last month

Given that the patron thought there was an improvement, what is the probability that the patron was a male?

Expert Solution
Step 1

Solution:

The result of survey table is 

Sex Improvement  seen  No improvement No opinion  Total 
Male  25 21 34 80
Female  16 38 16 70
Total  41 59 50 150
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