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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 do you think might happen if you rolled the die 500 times?

If you rolled that many times, you'd have approximately the same number of each - however many sides your die had. It's totally random, but it'll average out so that each number comes up about the same number of times. It's not going to be exact (like 50 #1s and 50 #2s and 50 #3s and so on) but it will average out to be about the same.

In heads and tails why is is mostly tails?

Is it?

Let's say you flip a coin three times, and it comes up tails each time. You may state that from your experience, tails is preferred overwhelmingly.

But three tails is likely to occur approximately 12% of the time, and three heads also will occur 12% of the time.

So, instead of asking why coin flips are biased to the tails, perhaps it is better to ask what evidence exists showing that one side is more likely to occur than another. I couldn't find any. I attach the link on coin flips.

In other words you will never know unless of course you count the seconds its in the air and look what side it lands on. That always works.

What is theromental?

suppose you flipped a coin 100 times you might have flipped heads 50 time and tails 50 times

How can 4 red marbles make up one third of marbles and 3 blue marbles make up one fourth of the same group?

In order for 4 red marbles to be one-third of a group and 3 blue marbles to make up one-fourth of the same group the number has to equal 12.

You are dealt a 5-card hand from a deck of 52 cards Let event F equal all the cards in your hand are from the same suit and let event S equal the numbers of your cards form an uninterrupted sequen?

You are dealt a 5-card hand from a deck of 52 cards. Let event F equal "all the cards in your hand are from the same suit" and let event S equal "the numbers of your cards form an uninterrupted sequence."

Which of the following hands are contained in the event F

Circumcision is it normal?

No it is not, Les then 20% of the worlds men are circumcised and the procedure is usually inflicted upon them before they are old enough to stop it from being done to them. This us usually done in answer to a religious or cultural requirement and in some cases for so called therapeutic reasons reasons. Medial authority's see no advantage in routine circumcision and say that the penis should be left intact unless treatment is required for an existing condition that can not be treated in any other way.

What does alluvial mean?

A plain that has formed from periodically overflowing river.

How many ways can you arrange 5 squres?

With only the information that is given in the question, the answer is infinitely many ways. A single square can be placed anywhere, and rotated through o=90 degrees.

How many times will the number 4 come up if you toss a 6 sided die 30 times?

The actual number of times 4 comes up is impossible to find, but the expected value of 4 coming up if you toss a 6-sided die 30 times is 5 times.

What is 3095sixteen to a base ten numeral?

You can convert this to base ten by re-writing 3096 as a summation of hex powers:

3*16^3 + 0*16^2 + 9*16^1 + 5*16^0 = 12437 in base 10

Sand deposited in a long ridge extending out from a coast connected to land is A barrier spit B lagoon C bay barrier D tombolo?

This is the definition of a "barrier spit".

(A tombolo is a sandbar that connects the mainland to an island, forming a permanent or temporary isthmus, and the island can be known as a "tied island".)

How do you find mean of probabilty distribution of a balanced coin so that no of flips obtained in 3 flips?

Prob of 0 Heads = 1/8

Prob of 1 Head = 3/8

Prob of 2 Heads = 3/8

Prob of 3 Heads = 1/8

Mean number of Heads = Sum of [x*Prob of x Heads] where the sum is over all possible values of x.

= 0*1/8 + 1*3/8 + 2*3/8 + 3*1/8 = 12/8 = 3/2 or 1.5

What is the chance of rolling a six on a dice?

1 in 6. There are six possible numbers, and it is one of those, so on one roll you have a one in six chance of rolling a six or any other individual number.

What is the volume of a water baloon?

September in the North

May in the South

June in the East

December in the west

It's because of genes

When Rolling 2 dice which outcome is more likely a sum of 2 or a sum of 4?

A sum of 4 is more likely. Out of the 36 possible outcomes with a pair of 6-sided dice, only one will have a sum of 2 {1-1}. Three of the possibilities sum to 4. {1-3, 2-2, 3-1}

If John throws a fair 6 sided die what is the probability he will get a multiple of 3?

The multiples of 3 that can be rolled are 3 and 6

Therefore probability of a success is 2/6 or 1/3

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