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Standard IX

Mathematics

Probability

In a sample s...

Question

In a sample survey of 640 people, it was found that 400 people have a secondary school certificate. If a person is selected at random, the probability that the person does not have such certificate is

0.875

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0.375

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0.725

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0.625

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Solution

The correct option is B
0.375

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In a sample survey of 640 people, it was found that 400 people have a secondary school certificate. If a person is selected at random, the probability that the person does not have such certificate is

The correct option is B 0.375

The correct option is B
0.375