Question 25 (ii)
Is the following argument correct? Give reasons for your answer.
If a die is thrown, there are two possible outcomes – an odd number or an even number. Therefore, the probability of getting an odd number is $\frac{1}{2}$ .

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Solution

Correct: The two outcomes considered in the question are equally likely beacuse the there are 3 odd numbers as well as 3 even numbers on a die. Therefore, the probability of getting an odd number is $\frac{1}{2}$ .

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Similar questions

Which of the following arguments are correct and which are not correct? Give reasons for your answer.

(i) If two coins are tossed simultaneously there are three possible outcomes−−two heads, two tails or one of each. Therefore, for each of these outcomes, the probability is.

(ii) If a die is thrown, there are two possible outcomes−−an odd number or an even number. Therefore, the probability of getting an odd number is.

Q. Examine the following statements and comment:
If a die is thrown once, there are two possible outcomes- an odd number or an even number. Therefore, the probability of obtaining an odd number is

1 / 2

and the probability of obtaining an even number is

1 / 2

Q. Question 25 (i)
Is the following argument correct? Give reasons for your answer.
If two coins are tossed simultaneously there are three possible outcomes – two heads, two tails or one of each. Therefore, for each of these outcomes, the probability is

\frac{1}{3}

Q. For a biased die, the probability of getting an even number is twice the probability of getting an odd number. The die is thrown twice and the sum of the outcomes is even. Then the probability that both the outcomes on the die is an odd number is

Q. A die is thrown 100 times. If the probability of getting an even number is

\frac{2}{5}

. How many times an odd number is obtained?

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Equally Likely Outcomes

Standard VIII Mathematics

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Question 25 (ii) Is the following argument correct? Give reasons for your answer. If a die is thrown, there are two possible outcomes – an odd number or an even number. Therefore, the probability of getting an odd number is 12.

Correct: The two outcomes considered in the question are equally likely beacuse the there are 3 odd numbers as well as 3 even numbers on a die. Therefore, the probability of getting an odd number is 12.

Question 25 (ii)
Is the following argument correct? Give reasons for your answer.
If a die is thrown, there are two possible outcomes – an odd number or an even number. Therefore, the probability of getting an odd number is $\frac{1}{2}$ .

Correct: The two outcomes considered in the question are equally likely beacuse the there are 3 odd numbers as well as 3 even numbers on a die. Therefore, the probability of getting an odd number is $\frac{1}{2}$ .