Someone is asked to take a number from 1 to 100. The probability that the selected number is prime is:

\frac{1}{5}

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\frac{25}{100}

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\frac{1}{4}

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\frac{13}{50}

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Solution

The correct options are
B $\frac{25}{100}$
C $\frac{1}{4}$
Total number of outcomes = 100
So, the prime numbers between 1 and 100 are 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,57,61,67,71,73,79,83,89 and 97.

Therefore, the probability is $\frac{25}{100} = \frac{1}{4}$

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Q. Question 25
Someone is asked to take a number from 1 to 100. The probability that it is a prime, is
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Q. Question 25
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Someone is asked to take a number from 1 to 100. The probability that the selected number is prime is:

The correct options are B 25100 C 14Total number of outcomes = 100 So, the prime numbers between 1 and 100 are 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,57,61,67,71,73,79,83,89 and 97. Therefore, the probability is 25100=14

The correct options are
B $\frac{25}{100}$
C $\frac{1}{4}$
Total number of outcomes = 100
So, the prime numbers between 1 and 100 are 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,57,61,67,71,73,79,83,89 and 97.

Therefore, the probability is $\frac{25}{100} = \frac{1}{4}$