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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 are the next set of numbers after 12 34 35 38 42?

Given any number it is easy to find a rule based on a polynomial of order 5+k such that the first five numbers are as listed in the question and the next k are the given "next" numbers.

However, use the rule

Un = (-6n4 + 83n3 - 411n2 + 874n - 468)/6

Accordingly, the next three numbers are 22, -71, -310

How many sweets were originally in the bag after the probability Tommy Tucker eating 2 red ones one after another was 1 over 8 when the bag contained 6 red and other assorted sweets showing work?

Let the number of sweets be n and use the rules of probability:-

If: 6/n times 5/n-1 = 1/8

Then: 30/n2-n = 1/8

Multiplying both sides by n2-n: 30 = n2-n/8

Multiplying both sides by 8: 240 = n2-n

Subtracting both sides by 240: 0 = n2-n-240

Solving the above quadratic equation: n = 16 or n = -15

Therefore it follows: n = 16 sweets

Note that n2 means n squared

What is the exponent of ten beyond which statistical probability becomes zero?

Although it's not clear which distribution you're referring to, I sense that I know what you mean. This is one of those situations where a function is only asymptotically zero, which is to say that it reaches zero only in the limit. But, no matter how large the exponent is, it never actually reaches zero; therefore, the probability never becomes zero. It only becomes extremely small.

What is the probability of at least 2 people in NYC having the same number of hairs assuming a human can have at most 100000 hairs Exclude bald persons?

The probability is 1. If the maximum number of hairs is 100000 then there can be only 100000 people, each with a different number of hairs: 1, 2, 3, ..., 100000. Then the 100001st person must have the same number as someone in that list. Since the population of NYC is greater than 100001, then the event is a certainty.

Whats is a good black and red deck?

A good red black deck has a lot of creatures that deal lots of damage. The black portion of the deck should have some zombies and other undead stuff. The red portion should be able to boost power and deal a lot of damage