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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, the probability that he/she does not like to eat potato chips is : 

(A) 0.25 (B) 0.50 (C) 0.75 (D) 0.80

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(C) 0.75

Total number of survey children’s age from 19-36 months, n(S) = 364 In those of them 91 out of them liked to eat potato chips.

∴ Number of children who do not like to eat potato chips, n(E) = 364 – 91 = 273

∴ Probability that he/she does not like to eat potato chips  = n(E)/n(S) = 273/364 = 0.75

Hence, the probability that he/she does not like to eat potato chips is 0.75.

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