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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 type of exchange rate is associated with a higher probability of experiencing a crisis?

While no type of exchange rate system guarantees safety, current research favors the idea that countries that adopt a Pegged Exchange Rate may be more vulnerable to an exchange rate crisis. (pg 273, Gerber) International economics James Gerber

What is the probability of choosing a king from a standard deck of playing cards?

The probability is 1/13 of drawing a king in one draw from a standard deck with no jokers.

What is a numerical probability?

Probability is a numerical measure. Occasionally, though, it is expressed in words such as very likely or not at all likely. But these phrases are (or should be) based on the fact that probability itself is a number.

What is the probability of getting a sum of 8 when two six sided dice are rolled?

There are 36 possible outcomes (6x6). There are 5 possible rolls that will give you an 8 (6+1, 5+2, 4+4. 2+5, 1+6). 5 out of 36 or 1 in 7.2

What is the formula for finding probabilities?

The formula for finding probability depends on the distribution function.

What is the permutations of freezer?

A freezer is a freezer: it has a fixed shape and a fixed purpose so there are really no permutations.

What is potentially inclusive?

Potentially inclusive events are events that can happen simultaneously. For example, events A and B can occur at the same time. When these events do cannot occur simultaneously, then then are called Mutually exclusive (opposite).

Potentially Inclusive: If A is heads of Coin 1 and B is heads of Coin 2, then tossing of both the coins is potentially inclusive since you can get heads on both the coins same time.

Mutually exclusive: If A is heads and B is tails , then tossing of a coin is mutually exclusive since you cannot get heads and tails at the same time. You either get heads or tails.

What is the probability of obtaining exactly three heads in four flips of a coin given that at least one is a head?

50-50. each toss is independent of any previous toss.

if all tosses are to be heads/tails then each toss you multiply by the number of chances. i,e. 2, starting with 1. three heads in a row is 1x2x2

How are sperm and eggs the same?

They both contain 1/2 the number of chromosomes of a "normal" cell.

They don't contain the necessary organelles to survive on their own.

They both can create a zygote (if they are combined).

Both are gametes and are produced by meiosis's.

Is ace before 2?

Ace is either higher than king or lower than two. It depends on the game.

What is the probability a captain and a goalkeeper will be among 5 players selected from eleven?

It is possible for the captain and the goalkeeper to be the same person. This changes the probability very significantly. There is nothing in the question to indicated that this is or is not the case.

What is the difference between population survey and sample survey?

A population survey, better known as a census, entails the collection of each unit in the population. In sample survey information is collected from a subset of the population. The subset, or sample, needs to be selected carefully so that it is representative of the whole population and, if that requirement is met, statistics based on the sample are good estimators for the corresponding population parameters.

Probablity of seven rolling two dice?

The probability of a sum of seven if you roll two dice is 6/36 or 1/6. There are 6 ways to roll a 7; (6,1) (5,2) (4,3) (3,4) (2,5) & (1,6) and 36 possible outcomes.