If a number is selected at random, then getting a prime or composite number is a ________ event.

Mutually exclusive

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Equally likely

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0

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None of the above

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Solution

The correct option is B Mutually exclusive
Two events are said to be mutually exclusive events, when both the events cannot occur simultaneously.

A number cannot be a prime number and composite number both. It is either a prime number or a composite number. Hence, the events are mutually exclusive.

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Similar questions

A die is thrown once. Find the probability of getting a number that is either composite or prime.

If I get a composite number 32 times out of 100 rolls of a die, then the probability of getting a prime is ___.

Two dice are thrown. The events A, B and C are as follows:

A: getting an even number on the first die.

B: getting an odd number on the first die.

C: getting the sum of the numbers on the dice ≤ 5

State true or false: (give reason for your answer)

(i) A and B are mutually exclusive

(ii) A and B are mutually exclusive and exhaustive

(iii)

(iv) A and C are mutually exclusive

(v) A and are mutually exclusive

(vi) are mutually exclusive and exhaustive.

119^{2} - 111^{2}

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