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The digits 1 through 9 are randomly arranged to make a number What is the probability that the resulting number is divisible by 18?
The answer is 4/9 or 44.444... % Any permutation of the digits 1 to 9 will be divisible by 9. So divisibility by 18 depends only on whether or not the last digit is even. If the last digit is 2, 4, 6 or 8 the number is divisible by 18 and if it is 1, 3, 5, 7 or 9 it is not. So 4 favourable outcomes out of 9 ie probability = 4/9.
What else can I help you with?
What is the probability that a randomly selected date in one year is not in the month of December and januray?
10/12
There are 6 red marbles 8 blue marbles and 11 green marbles in a bag. What is the probability that you will randomly draw either a red or a blue marble?
The probability is 0.56
Identify the following probability as theoretical or empirical In a wooded area you randomly select 10 trees and find that 5 are tagged You conclude that there is a 50 percent probability of rando?
Empirical
What is the probability the random variable will assume a value between 40 and 60?
It depends on what the random variable is, what its domain is, what its probability distribution function is. The probability that a randomly selected random variable has a value between 40 and 60 is probably quite close to zero.
What is the probability of randomly selecting a sick person from a group of three sick people and seven healthy people?
3/10 or 0.3
If the letters of computer are randomly arranged in all possible ways what is the probability the word begins by a vowel?
If the letters of computer are randomly arranged in all possible ways, the probability the word begins with a vowel in five out of 26, or 0.1923. You do not need to consider any other letters, or any permutations or combinations, because you only asked about the first letter.
In which two states are the particles randomly arranged?
Particles in a gas state are randomly arranged. Additionally, particles in a plasma state are also randomly arranged.
Are molecules arranged in a liquid regularly or randomly?
randomly
What is the probability that a randomly chosen number is not divisible by 2 3 or 6?
AnswerThe probability that a randomly chosen [counting] number is not divisible by 2 is (1-1/2) or 0.5. One out of two numbers is divisible by two, so 1-1/2 are not divisible by two.The probability that a randomly chosen [counting] number is not divisible by 3 is (1-1/3) = 2/3.Similarly, the probability that a randomly chosen [counting] number is not divisible by N is (1-1/N).The probability that a random number is not divisible by any of 2, 3 or 6 can be reduced to whether it is divisible by 2 or 3 (since any number divisible by 6 can definitely be divided by both and so it is irrelevant). This probability depends on the range of numbers available. For example, if the range is all whole numbers from 0 to 10 inclusive, the probability is 3/11, because only the integers 1, 5, and 7 in this range are not divisible by 2, 3, or 6. If the range is shortened, say just from 0 to 1, the probability is 1/2.Usually questions of this sort invite you to contemplate what happens as the sampling range gets bigger and bigger. For a very large range (consisting of all integers between two values), about half the numbers are divisible by two and half are not. Of those that are not, only about one third are divisible by 3; the other two-thirds are not. That leaves 2/3 * 1/2 = 1/3 of them all. As already remarked, a number not divisible by two and not divisible by three cannot be divisible by six, so we're done: the limiting probability equals 1/3. (This argument can be made rigorous by showing that the probability differs from 1/3 by an amount that is bounded by the reciprocal of the length of the range from which you are sampling. As the length grows arbitrarily large, its reciprocal goes to zero.)This is an example of the use of the inclusion-exclusion formula, which relates the probabilities of four events A, B, (AandB), and (AorB). It goes like this:P(AorB) = P(A) + P(B) - P(AandB)In this example, A is the event "divisible by 2", and B is the event "divisible by 3".
How was jazz music arranged?
randomly
What is non-probability sampling?
Non probability sampling is where the samples are not selected randomly.
What is the term for solids that have randomly arranged particles?
Amorphous
How are ozone particles arranged?
Randomly in the atmosphere, and in liquid ozone.
What does igneous contain?
Randomly arranged interlocking crystals and no fossils :)
What is the probability that 4 and 7 randomly chosen numbers in a row are all divisible by 7?
4 numbers: 1/74 = 0.000 061 035 7 numbers: 1/77 = 0.000 001 214
What are the release dates for Cinematech - 2002 Clips Arranged Randomly 4-73?
Cinematech - 2002 Clips Arranged Randomly 4-73 was released on: USA: 17 August 2005
What is the probability of 2 randomly chosen angles of a square being congruent?
As all the angles in a square measure 90°, the probability of 2 randomly chosen angles being congruent is 1.
