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16. Probability
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Q34 of 43 Page 296

State whether the statements are True or False

The probability of intersection of two events A and B is always less than or equal to those favourable to the event A.

Given A and B are two events.

We know that A ⋂ B ⊂ A


⇒ P(A ⋂ B) ≤ P(A)


Hence, the given statement is True.


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32

State whether the statements are True or False

The probabilities that a typist will make 0, 1, 2, 3, 4, 5 or more mistakes in typing a report are, respectively, 0.12, 0.25, 0.36, 0.14, 0.08, 0.11.

33

State whether the statements are True or False

If A and B are two candidates seeking admission in an engineering College. The probability that A is selected is .5 and the probability that both A and B are selected is at most .3. Is it possible that the probability of B getting selected is 0.7?

35

State whether the statements are True or False

The probability of an occurrence of event A is .7 and that of the occurrence of event B is .3 and the probability of occurrence of both is .4.

36

State whether the statements are True or False

The sum of probabilities of two students getting distinction in their final examinations is 1.2.

Questions · 43
16. Probability
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