Class 9 Ch-15 Q 68 | Q 69 | Probability | Support Material | Important Questions | CBSE | NCERT

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Q 68:
In a sample study of 642 people, it was found that 514 people have a high school
certificate. If a person is selected at random, the probability that the person has a high
school certificate, is
(a) 0.5 (b) 0.6 (c) 0.7 (d) 0.8

Q 69:
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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