set of odd numbers divisible by 2 between 10 and 20
If you have 12 possible numbers with multiple combinations then you should start out with making all the possible combinations; you will find theyre 20. Theyre four numbers out of the twleve that can be divisible by three; 3, 6, 9, and 12. There are 7 combinations where the combinations can equal those four numbers. So the odds of getting a sum divisible by three is 7/20.
The probability is 11/21.
The probability, in a single random selection, is 1/20 or 0.05
The odds of choosing a prime number in the set [1-20] are 8 out of 20, as there are 8 prime numbers, 2, 3, 5, 7, 11, 13, 17, and 19, in that set.
set of odd numbers divisible by 2 between 10 and 20
The probability of picking a distinct set of 3 numbers from 20 is1/[20!/(3!)(17!)]= 1/1140The probability of only picking 3 from 20 is1/20
If you have 12 possible numbers with multiple combinations then you should start out with making all the possible combinations; you will find theyre 20. Theyre four numbers out of the twleve that can be divisible by three; 3, 6, 9, and 12. There are 7 combinations where the combinations can equal those four numbers. So the odds of getting a sum divisible by three is 7/20.
The probability is 8/20.
The probability is 11/21.
The probability, in a single random selection, is 1/20 or 0.05
The odds of choosing a prime number in the set [1-20] are 8 out of 20, as there are 8 prime numbers, 2, 3, 5, 7, 11, 13, 17, and 19, in that set.
There are 167960 combinations.
Betting 20 on 20 to 2 odds, you will get a return of 200. The odds of 20 to 2 are equal to 10 to 1. For every 1 bet, you will get a return of 10. Bet 20, get a return of 20 x 10 or 200. Having the odds of 20 to 2 is very unusual because all legal betting venues would have changed such odds to read 10 to 1.
Since there are 10 odd numbers (1, 3, 5, 7, 9, 11, 13, 15, 17, 19) in the 20 numbers (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20), the probability of picking an odd number in a random sample is 10 in 20, or 1 in 2, or 0.5.
Not with those numbers
the odds are 20 in a million