What is the probability that a number selected from the numbers 1, 2 , 3, 4,……….,25 is a prime number, when each of the given numbers is equally likely to be selected ?
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Total set ={1,2,3,4,...,25}=5 ∣5∣=25 This determines size of set,we need to fluid probability that prime number turns us.
Prime numbers is it ={2,3,5,7,11,13,17,19,23}
size =9
Probability = ?
Total sample space =9
Total no. of possible outcomes =25
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