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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 probability that a bridge hand of thirteen out of fifty-two cards contains exactly one ace with the condition ace with non uniform distribution?

It is approx 0.4388

However, I am not at all sure what you mean by "the condition ace with non uniform distribution". None of the relevant distributions are uniform so the condition seems to be totally irrelevant!

What is the shortest way to figure out how many ways you can stack ten books on a shelf?

Use the factors of the number. Factors of 10 are... 1,2,5 & 10. Therefore they will stack either in 1 row of 10 books or 2 rows of 5.

What happened on November 17 2008?

This was the date that Somali pirates captured the MV Sirius Star. It is also the date that the global crisis of 2008 started. The Russian stock exchanged collapsed.

Function of the humeruos?

The humerus is a bone big bone in the leg, going from the hip to the knee. It is what the thigh muscles cling to as they propel the legs during movement.

What are chances of pulling 4 aces out 52 cards?

[original answer] four in 52!

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The question is not fully stated, but I assume what is being asked is "What are the chances of pulling all four aces out of 52 cards when four cards are drawn".

The answer is 1 / 270725 = 0.00000369 = 0.000369%. Approximately four out of one million.

The chances are (4*3*2*1) / (52*51*50*49) = 24 / 649700 = 1 / 270725. That is, on the first draw there is a 4/52 chance of drawing one of the four aces out of the full pack; In the 48 out of 52 cases where an ace isn't drawn, "you lose".

In the 4/52 cases where an ace is drawn first, there is a 3/51 chance of drawing one of the remaining three aces from the remaining 51 cards. If that happens, there is a 2/50 chance of drawing one of the remaining two aces from the remaining 50 cards; and then a 1/49 chance of drawing the last ace out of the remaining 49 cards.

[ If the question is "What are the chances of pulling any of the aces out of 52 cards in one draw" then "four in 52" is correct. ]

What is the propability of drawing a heart from a deck of 52 cards?

The answer depends on how many cards are drawn, whether or not at random, from an ordinary deck of cards, with or without replacement. The probability for a single card, drawn at random, from a normal deck of playing cards is 1/4.

What if your z score computed wrong in spss?

You then have big problems. However, rather than SPSS making incorrect computation, it is more likely that the model is wrongly specified.

If the Probability that a train arrives early is 0.09 probability late is 0.4 What is the probability it arrives on time?

The train can be either early, on time or late.

The total probability must be 1. Thus:

pr(early) + pr(on_time) + pr(late) = 1

0.09 + pr(on_time) + 0.4 = 1

=> pr(on_time) = 1 - 0.4 - 0.09

= 0.51

Probability of being on time is 0.51

How is experimental probability different from theoretical probability?

The two differ in the manner in which they are derived. The first requires a large number of trials (or simulations) whereas the second requires a suitable model to which the laws of science - physics, genetics - can be applied.

The two differ in the manner in which they are derived. The first requires a large number of trials (or simulations) whereas the second requires a suitable model to which the laws of science - physics, genetics - can be applied.

The two differ in the manner in which they are derived. The first requires a large number of trials (or simulations) whereas the second requires a suitable model to which the laws of science - physics, genetics - can be applied.

The two differ in the manner in which they are derived. The first requires a large number of trials (or simulations) whereas the second requires a suitable model to which the laws of science - physics, genetics - can be applied.

What is the difference between population and sample in statistics?

A population includes all members of a defined group. A sample, on the other hand, is just a part of the population.

What are the odds of selecting a 3 from a deck of cards?

Well there are 52 cards in a full deck. There are four 3's in a full deck, so the probilitiy of selecting of 3 out of a deck would be 4/52..

so the odds are 1 out of 13 OR 7.69%

What is the Chance of NOT Drawing an Ace?

The probability of not drawing an Ace from a standard deck of 52 card is 48 in 52 or 12 in 13, or about 0.9231.

What is the probability of rolling a 9 with two dice?

The probability of rolling a 9 with two dice is 4/36 or 1/9. There are 36 possible combinations and a 9 is obtained by rolls of 3,6; 4,5; 6,3; & 5,4.

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

If steven rolls two dice what is the probability that the dice totals 7 or 11?

Assuming Steven is rolling 6-sided dice...

First, determine how many combinations will equal 7 or 11:

1,6

2,5

3,4

4,3

5,2

6,1

5,6

6,5

8 possible answers

Now, determine how many possible combinations there are in total:

6 possibilities for each die

6*6 = 36 total permutations

The probability of a 7 or 11 is therefore 8/36, 2/9, or 22.2%

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 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 the permutations of freezer?

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

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