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15. Probability
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Q5 of 55 Page 623

Define the probability of an event E.

The probability of event E is defined as number of outcomes favorable to E divided by total numbers of equally likely outcomes in the sample space S of the experiment.


That is


P(E) =


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3

A bag contains 16 cards bearing number1,2,3…, 16 respectively. one card is chosen at random. What is the probability that the chosen card bears a number which is divisible by 3?

4

In a cricket match a batsmen hits a boundary 4 times out of the 32 balls he plays. In a given ball. What is the probability that he does not hit the ball?

6

A coin is tossed 60 times with the following outcomes:

Head 28 times and tail 32 times.


In a single throw of a coin, find the probability of getting a head.

7

When a die is thrown, write down all possible outcomes.

Questions · 55
15. Probability
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