Class 10 Exam > Class 10 Questions > An unbiased die is rolled. Find the probabili...
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An unbiased die is rolled. Find the probability of Getting an even number.
- a)1/2
- b)4/5
- c)2/8
- d)3/4
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
An unbiased die is rolled. Find the probability ofGetting an even numb...
Unbiased means fair die.
S={1, 2,3,4,5,6}
E= GETTING A EVEN NUMBER.
= 2,4,6
P(E) = 3/6
= 1/2
S={1, 2,3,4,5,6}
E= GETTING A EVEN NUMBER.
= 2,4,6
P(E) = 3/6
= 1/2
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Community Answer
An unbiased die is rolled. Find the probability ofGetting an even numb...
Problem: Finding the probability of getting an even number when rolling an unbiased die.
Solution:
To find the probability of an event occurring, we need to determine the number of favorable outcomes and divide it by the total number of possible outcomes.
Favorable outcomes:
An even number can be obtained by rolling a 2, 4, or 6. Therefore, there are 3 favorable outcomes.
Total outcomes:
An unbiased die has six faces, numbered 1 to 6. Therefore, the total number of possible outcomes is 6.
Probability:
To find the probability, we divide the number of favorable outcomes by the total outcomes.
Probability = Number of favorable outcomes / Total outcomes
Probability = 3 / 6
Simplifying the probability:
The fraction 3/6 can be simplified by dividing both the numerator and denominator by their greatest common divisor, which is 3.
3 ÷ 3 / 6 ÷ 3
1 / 2
Conclusion:
Therefore, the probability of getting an even number when rolling an unbiased die is 1/2.
Solution:
To find the probability of an event occurring, we need to determine the number of favorable outcomes and divide it by the total number of possible outcomes.
Favorable outcomes:
An even number can be obtained by rolling a 2, 4, or 6. Therefore, there are 3 favorable outcomes.
Total outcomes:
An unbiased die has six faces, numbered 1 to 6. Therefore, the total number of possible outcomes is 6.
Probability:
To find the probability, we divide the number of favorable outcomes by the total outcomes.
Probability = Number of favorable outcomes / Total outcomes
Probability = 3 / 6
Simplifying the probability:
The fraction 3/6 can be simplified by dividing both the numerator and denominator by their greatest common divisor, which is 3.
3 ÷ 3 / 6 ÷ 3
1 / 2
Conclusion:
Therefore, the probability of getting an even number when rolling an unbiased die is 1/2.
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An unbiased die is rolled. Find the probability ofGetting an even number.a)1/2b)4/5c)2/8d)3/4Correct answer is option 'A'. Can you explain this answer?
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