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Mathematics
15. Probability
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Q9 of 55 Page 623

A die is thrown 80 times and the outcomes were noted as under:





















Outcomes



1



2



3



4



5



6



Frequency



14



11



9



13



18



15



If the die is thrown at random, What is the probability of getting a 2?

Total number of outcomes: 80


Number of times 2 occurred : 11


Probability P() =


Probability of getting a 2 on die is P(2) =


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7

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

8

Fill in the blanks:

(i) Probability of a sure event = _______


(ii) probability of an impossible event = _______


(iii) If E be an event, then p (E) +p (not E) = _______


(iv) If E is an event, then _______ <p (E)< _______

10

The probability of losing a game is 0.6 What is the probability of winning the game?

11

A coin is tossed 50 times and the tail appears 28 times. In a single throw of a coin. What is the probability of getting a head?

Questions · 55
15. Probability
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