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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 advantages of the Segway?

It offers increased mobility for those with disabilities, but could also aid some persons who are unable to walk long distances. The machine operates on a principle called dynamic stabilization.

How many ways can you arrange the letters of the word full?

To mathematically solve this:


Four letter word: n = 4

One F: L1 = 1

One U: L2 = 1

Two L's: L3 = 2


For the next step, you need to know what a factorial is. A factorial (n! - you'd say "n factorial") can be simply described as the product of that integer by all integers lower than it down to 1.


Example

5! = 5 x 4 x 3 x 2 x 1 (start with 5 and go all the way down to the optional 1)


We're going to be dividing the length factorial by each letter factorial:

n! / ( L1 x L2 x L3 )

4! / ( 1! 1! 2! ) = ( 4 x 3 x 2 x 1 ) / ( 1 x 1 x 2 x 1 ) = 4 x 3 = 12


With such a short word, it's easy enough to list the combinations. I'll do this so you can verify the answer. Breaking into cases always makes this easier.


Start with F:

FULL

FLUL

FLLU


Start with U:

UFLL

ULFL

ULLF


Start with L:

LUFL

LFUL

LLUF

LLFU

LULF

LFLU


There are 12 combinations, because you treat both L's as the same character.


What does mutually exclusive events mean?

It means that if one of the events happens the other cannot.

When would you use probability in everyday life?

Weather people use probability to predict weather in the future based on passed recent weather and by clouds and winds

Is it safe to place a 1000 lbs item in a second level of house?

That would depend how the house is built. Also how the weight is distributed.

What is the probability of rolling a number less than 9 on a 20 sided die?

Assuming that the faces of the 20 sided die are numbered 1 to 20, then the probability of rolling a number less than 9 is 8 in 20, or 0.4.

A red card is drawn from a bridge deck of 52 cards 13 cards are drawn and found to be the same color how many ways you will obtain all black and then the number of way they will be all red?

after drawing the red card; deck status is:
25 red and 26 black cards, total 51 cards

First part, drawing 13 black cards:
probability of drawing 1st black card: 26/51
probability of drawing 2nd black card: 25/50
and so on .......
till, probability of drawing 13th black card: 14/39

overall probability= 26/51 * 25/50 * ...... 14/39

Second part, drawing 13 red cards:
probability of drawing 1st red card: 25/51
probability of drawing 2nd red card: 24/50
and so on .......
till, probability of drawing 13th red card: 13/39

overall probability = 25/51 * 24/50* ...... 13/39

Can anyone tell how to make a maths project file on vedic maths interesting?

You can also make your file interesting by including pictures which are related to vedic mathematics and which have humour.You can also include some interesting facts about vedic mathematics which can play a vital role in your project.Hope this helps.Best of luck!

What is the probability of getting a 5 on a single roll?

For a 6 sided die, each number 1 - 6 has equal probability. So, probability of rolling a 5 is 1/6.

What is 4 dimentional?

I believe you want to know what "4-DIMENSIONAL" is. Dimension, dimensional (adjective). It means something with 4 dimensions.

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