Question

a prime number form the first 100 th natural numbers is taken randomly the probability of having prime number will be ​

Answer 1

Answer:

The probability of getting any random number will be 1/100

Answer 2

The probability of getting a prime number from first 100 natural numbers is 0.25

Step-by-step explanation:

To find: The probability of getting a prime number from first 100 natural numbers

As we know The prime numbers between 1 to 100 are

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97

Therefore

Total numbers = 100

Prime numbers = 25

Let E is the event

E: Getting a prime number

Now as we know

$P(E) =\dfrac{\text{Favourable outcomes }}{\text {Total outcomes}} =\dfrac{25}{100} =\dfrac{1}{4} =0.25$

Hence, The probability of getting a prime number from first 100 natural numbers is 0.25

#Learn more

A die is thrown once find the probability of getting (i) a even prime number. (ii) a number divisible by 2. (iii) a multiple of 3.

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