Question

A number is drawn at random from the first 100 natural numbers. What is the probability that the number is not a prime number?

Answer 1

Answer:

$0.73$

Step-by-step explanation:

Total possible outcomes = 100

Favorable outcomes (non-prime/composite no.) = 73

P(Getting a non-prime/composite no.) = 73/100 =0.73

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Answer 2

Answer:

total number of prime numbers between 1 and 100 is 25 then the composite numbers are 75 in numbers

Probability of not a prime number =no of observation /total number of observation

So,

75/100=0.75

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