Ex.15.1 Q2 Probability Solution - NCERT Maths Class 10

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Question

Which of the following experiments have equally likely outcomes? Explain.

(i) A driver attempts to start a car. The car starts or does not start.

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

(iii) A trial is made to answer a true-false question. The answer is right or wrong.

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

Text Solution

(i) A driver attempts to start a car. The car starts or does not start?

Steps:

It does not have equally likely outcomes because the probability of it depends on many other technical factors.

(ii) A player attempts to shoot a basketball. She/he shoots or misses the shot?

Steps:

It does not have equally likely outcomes because the probability here depends on the ability of the player.

(iii) A trial is made to answer a true-false question. The answer is right or wrong.

Steps:

It has equally likely outcomes because the probability is equal in both the cases, it can be true or false.

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

Steps:

It has equally likely outcomes because the probability is equal in both the cases, it can be a boy or girl.