Question

a number is selected at random from the first 10 natural numbers what will be the probability of the number being prime
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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:

the probability of prime no = 4/10=0.4