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In a survey of 364 children aged 19 - 36 months, it was found that 91 liked to eat potato chips. If a child is selected at random, find the probability that he/she does not like to eat potato chips.

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14

12

13

34

answer is D.

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Detailed Solution

It is given that, the total number of children is 364.
91 children liked to eat potato chips.
We have to find the probability that he/she does not like to eat potato chips.
For an event A,

P (A) = Number of Possible Outcomes Total Number of Outcomes

The probability that the children like to eat potato chips is given by,

P (A) = 91364 = 14

The probability that the children does not like to eat potato chips

P (A ¯) = 1 − P (A) = 1 − 14 = 34

The probability that he/she does not like to eat potato chips is

34

.
Hence, option 4 is correct.

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