Question:
A number is selected from numbers 1 to 25 . The probability that it is prime is.....
The answer is 9/25..... But when I gave the test it says the answer is 1/3
Can you please explain it to me
Answer:
Total number = 25
The prime number from 1 and 25 are:
2, 3, 5, 7, 11, 13, 17, 19, 23
So, total prime number = 9
Now, P(selected number is prime) = 9/25
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