Question

If a number is selected at random from the first ten natural numbers, then what will be the probability of the number being prime?

Answer 1

Answer:

0.4 or 40%

Step-by-step explanation:

There are 4 prime numbers among the first 10 natural numbers viz. 2, 3, 5 and 7.

Probability = (Favourable Outcomes)/(Total Possibilities)

Here, Probability = 4/10 = 2/5 = 0.4 = 40%

Answer 2

Answer:

0.4 or 40%

Step-by-step explanation:

There are 4 prime numbers among the first 10 natural numbers viz. 2, 3, 5 and 7.

Probability = (Favourable Outcomes)/ (Total Possibilities)

Here, Probability = 4/10 = 2/5 = 0.4 = 40%