A number is selected from first twenty natural numbers 1 to 20. Find the probability that the selected number is a prime number. Find the probability that the selected number is an even number.
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1 to 20
Step-by-step explanation:
Probability of an event =Number of favourable casesNumber of total cases, We get, probability of choosing a prime number from 1 to 20 =820=25. Therefore, we get the probability of choosing a prime number from 1 to 20 .
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