An irregular shaped solid having 8 surfaces has numbers from 1 to 8 painted on its surfaces. Find the probability of getting an even number when it is rolled / thrown on the table.a)1/2b)3/8c)5/8d)Cannot be determinede)None of theseCorrect answer is option 'D'. Can you explain this answer?

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An irregular shaped solid having 8 surfaces has numbers from 1 to 8 painted on its surfaces. Find the probability of getting an even number when it is rolled / thrown on the table.

a)
1/2
b)
3/8
c)
5/8
d)
Cannot be determined
e)
None of these

Correct answer is option 'D'. Can you explain this answer?

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An irregular shaped solid having 8 surfaces has numbers from 1 to 8 p...

The answer is cannot be determined, because when an irregularly shaped solid is thrown / rolled then its various outcomes like 1, 2, 3, 4, 5, 6, 7, 8 are not equally likely.

Because the dice that is formed is not unbiased, it is possible that the shape of the solid favours it's landing with one particular surface/side up more than other surfaces.

So here we cannot use the following formula for probability calculation because it applies only for equally likely events.

P = [no. of favourable events / number of total events] → ONLY FOR EQUALLY LIKELY EVENTS

So, option 4 is the correct answer.

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An irregular shaped solid having 8 surfaces has numbers from 1 to 8 painted on its surfaces. Find the probability of getting an even number when it is rolled / thrown on the table.a)1/2b)3/8c)5/8d)Cannot be determinede)None of theseCorrect answer is option 'D'. Can you explain this answer?

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