A number is selected at random from the numbers 1 to 30. The probability that it is a prime number is…….
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Answer:
A={2,3,5,7,11,13,17,19,23,29}
P(A) = Number of favourable outcomes / Total number of possible outcomes
= 10/30
= 1/3
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Step-by-step explanation:
SOLUTION :
Given : A number is selected from 1 to 30
Total number of possible outcome = 30
Let E = Event of getting a prime number
Prime number from 1 to 30 are = 2, 3,5,7, 11,13,17, 19, 23, 29
Number of outcomes favorable to E = 10
Probability ,P(E) = Number of favourable outcomes / total number of outcomes
P(E) = 10/30 = ⅓
Hence, the Probability of getting a prime number from 1 to 30 ,P(E) is 1/3.
Hope this helps!
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