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You selecting a number from the numbers 1-20. What is the probability the number you select is a factor of 20?
Wiki User
∙ 13y ago
30% chance.
First, find the factors of 20:
{1,2,4,5,10,20}
There are 6 factors, out of 20 possible numbers.
6/20 = .3 = 30%
Wiki User
∙ 13y ago
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A radom number generator is used to select a number from 1 to 100 What is the probability of selecting the number 153?
The probability should be 0 (zero). 153 is not between 1 and 100. If you meant your number generator to return a number between 1 and 1000, the probability would be 1/1000 = .001 = .1%
What is the term for a whole number that is a factor of two or more numbers?
A whole number that is a factor of two or more numbers is a common factor.
What is a number that divides evenly into two numbers?
It is a factor of both numbers
Is 0 a factor of all numbers?
0 is not a factor of any number other than itself. If N is any number, than there is no other number P such that N = 0 * P and that means that 0 is not a factor of N. The only number that is a factor of all numbers is 1.
A whole number that is a factor of two or more whole numbers?
A common factor.
What is the probability of selecting a prime number from the numbers one through 10?
It is 0.4
What is the probability of selecting a prime number from 1 to 20?
There are eight prime numbers between 1 and 20.2, 3, 5, 7, 11, 13, 17, 19If you randomly choose in number then you have an 8 in 20 chance of selecting a prime.The probability is selecting a prime number is 8/20 or 0.4
What is the probability of getting tails and selecting a 3 if you toss a coin and randomly select a number?
There are infinitely many numbers and so the probability of the second event is 0. As a result the overall probability is 0.
What is the probability of selecting a composite number over a prime number?
This cannot be answered Until and Unless a certain set of numbers are given as Sample Space.
What is probability of selecting a rational number from set of real number?
Zero, since there are infinitely more irrational numbers than rational numbers. Note that "zero probability" is not the same as "impossible" in this case. For more details, see the Wikipedia article on "Almost surely".
Theoretical probability of rolling a factor of 10 on a number cube?
The factors of 10 are the numbers that divide 10 evenly: 1, 2, 5 and 10. To answer your question, you have to figure out what the probability of rolling one of these numbers is on a number cube.
What is the probability of selecting a odd number from number 1-25?
from 1-25 there are 25 numbers 1 3 5 7 9 11 13 15 17 19 21 23 25 = 13 numbers [2 4 6 8 10 12 14 16 18 20 22 24 = 12 numbers] so probability of selecting an odd number is 13 in 25 13:25
If a bag contains 20 chips labeled with the numbers 1 through 20 and one chip is selected at random. what is the probability that the chip has the number 17 on it?
The probability of selecting a 17 (or any number for that matter) is 1/20 or .05 or 5%.
What is the probability of selecting a prime number from a deck of cards?
16 in 52 chance.
A number is chosen 1 to 25 find the probabillity of selecting a number greater than 18?
Probability is ratio of the events you want over the total number of events. There are 7 numbers greater than 18 and you have 25 total options, so your probability is 7/25 or 28%.
What is the probability of getting a number greater then 5 on a spinner?
The probability is(the total number of numbers on the spinner minus 5)/(the total number of numbers on the spinner)Another way to express the same probability is1 - 5/(the total number of numbers on the spinner)
On a wheel numbered from 1 to 8 what is the probability of picking a number factor greater than 10?
If the only numbers to pick from are 1 through 8, how can you get a factor greater than 10?
