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Q.

A particular make and model of a TV set has been on the market for one year. In that time, 20000 sets sold to consumers. Of those, 400 were identified as needing repair during the warranty period. What is the empirical probability that a given TV of this model will require repair during the warranty period?


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a

1 10  

b

1 25  

c

1 50  

d

1 100   

answer is C.

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Detailed Solution

It is given that, 20000 TV sets sold to consumers.
400 were identified as needing repair during the warranty period.
We have to find the probability that a given TV of this model will require repair during the warranty period.
The total number of TV sets is 20,000.
The number of TVs that require repair during warranty is 400.
For an event A, P(A)= Number of Possible Outcomes Total Number of Outcomes  
The probability that the given TV model of require repair during warranty period is given by,
= 400 20000 = 1 50  
The probability that the given TV model of require repair during warranty period is 1 50  .
Hence, option 3 is correct.
 
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