Probability of getting a prime number from 1 to 100
Asked by admin @ in Math viewed by 339 People
The probability of the prime number between 1 to 100 is * 1 point
Asked by admin @ in Math viewed by 339 People
The probability of the prime number between 1 to 100 is * 1 point
Answered by admin @
Answer:
1/4
Step-by-step explanation:
Let's articulate your (apparent) assumptions a little more formally: we will draw an integer between 1 and 100 with equal probability. What is the probability the number drawn is a prime?
The probability of any particular number is 1/100, and the probability that a number in a set of m distinct numbers is m/100. So, for example the probability of a number less than 10 is 9/100.
Now let's enumerate the primes: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97
Twenty-five primes, so 1/4 probability.
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