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48 Maths Exercise Solutions

Complete the following statement

The sum of the probabilities of all the elementary events of an

experiment is______

The sum of the probabilities of all the elementary events of an

experiment is______

Complete the following statements

The probability of an event that cannot happen is.... Such event is called.....

The probability of an event that cannot happen is.... Such event is called.....

Complete the following statement

The probability of an event that is certain to happen is___. Such an event is called___

The probability of an event that is certain to happen is___. Such an event is called___

Complete the following statements

Probability of an eventProbability of the event not

Probability of an eventProbability of the event not

Complete the following statements

The probability of an event is greater than or equal to ....and less than or equal to …..…

The probability of an event is greater than or equal to ....and less than or equal to …..…

Which of the following experiments have equally likely

outcomes? Explain.

(iv) A baby is born. It is a boy or a girl.

outcomes? Explain.

(iv) A baby is born. It is a boy or a girl.

Why is tossing a coin considered to be a fair way of deciding which team should get the ball at the beginning of a football game?

Which of the following cannot be the probability of an event?（ ）

A.

B.

C.

D.

If what is the probability of 'not'?

Which of the following experiments have equally likely

outcomes? Explain.

(i) A player attempts to shoot a basketball. She/he shoots or misses

the shot.

outcomes? Explain.

(i) A player attempts to shoot a basketball. She/he shoots or misses

the shot.

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