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Q.

The probability of getting a bad egg in a lot of 800 eggs is 0.125. Find the number of bad eggs in the lot.


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a

100

b

200

c

300

d

100 

answer is A.

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Detailed Solution

Given that the probability of getting a bad egg in a lot of 800 eggs is 0.125.
The P(E) of the random experiment as,
P(A)=Number of favorable outcomesTotal number of outcomes
Suppose the number of bad eggs be y.
So, by using the probability formula,  P(E)=y800
⇒0.125=y800
⇒y=0.125(800)
⇒y=100
Therefore, the number of bad eggs is 100.
Hence, option 1 is the correct answer.
 
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