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Probability

The probability of a certain event is a number expressing the likelihood that a specific event will occur, expressed as the ratio of the number of actual occurrences to the number of possible occurrences. In mathematics, it is a measure of how often an event will happen and is the basis of statistics.

14,643 Questions

What is the theoretical probability of getting a prime number if you randomly pick a number from 20 through 39?

There are 20 numbers from 20 through 39, and 4 of them are prime (23, 29, 31, 37), the probability is 4 in 20 or 0.20.

What are the odds that they have at least one daughter and one son if a family have 2 children?

There is no simple answer to the question because the children's genders are not independent events. They depend on the parents' ages and their genes.


However, if you assume that they are independent events then, given that the probability of a boy is approx 0.52, the probability of a daughter and a son in two children is approx 0.4994

How many ways the letter Random can be arranged?

Well, in Georgia, math one (the class) teaches us that to find a permutation like that, you count the possible ways to do something. In this case it is six. Then, you multiply it by every number below it (because you can't used a letter again if it has already been used).

Therefore: 6x5x4x3x2x1= 720

Randoms letters can be put together in 720 ways.

How many different outcomes can there be if a soccer team orders knee pads in 4 different colors 6 sizes and 2 styles?

There are 4*6*2 = 48 combinations.

Thie above number does not include additional combinations that can be obtained from mismatched knee pads.

What is the probability of dying in a lake?

The truth is that alot of things come into play, how good of a swimmer are you, how is the weather, are you familiar with the lake and a host of other things but because this is kind of a binomial distribution of probability that means it has two outcomes, you drowned or you do not. So the chance is, statistically speaking, 50-50

State the function of immunoprotein?

An immunoprotein receptor is a blood protein. It plays a role in the efficient functioning of the immune system.

What is the standard deviation?

The standard deviation of a set of data is a measure of the spread of the observations. It is the square root of the mean squared deviations from the mean of the data.

What is a random sequence limit?

To the best of my knowledge, a random sequence limit imposes restrictions on random number generation. For example, one may want to generate random numbers such that any number does not occur consecutively three times.

Another definition of a random sequence limit is the number that a sequence of random measurements of some property converge to as the number of measurements increase.

Square of the deviation will be less if?

If the deviation is small ie if the distribution is packed close to the mean.

What is the range 8 12 6?

Range is the largest minus the smallest value; so 12 - 6 is range of 6.