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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

How did meiosis explain Mendel's results?

Mendel's laws and meiosis provide the foundation for heredity.

What is the normal layout of a standard two story house?

Usually the bedrooms and a bathroom are upstairs and kitchen dining, lounge and laundry are down stairs.

If you want a specific layout I think that would vary a lot.

If a die is rolled once what is the probability of rolling a 3 or 4?

Since there are two desired outcomes out of six - the probability becomes 2/6 or 1/3.

I'd say it is rather 2/6 or 1/3...

What is the probability of 6 members of one family being born on a different day of the week?

Births are not distributed uniformly over days of the week: there are fewer births at weekends.

However, if you do assume that the distribution is uniform, then the probability is 6!/76 = 5040/117649 = 0.0428

Can standard deviation be above 10?

Yes, depending on the data being studied. Standard deviation can be thought of as the magnitude of the average distance between the data points and their mean.

Probability 7th class maths?

two dice are thrown once. write all the possible outcomes. find the probability of getting:

(i) a total of 12

(ii) a total of 3

(iii) a total of 8

What is the probability of rolling a number that is divisble by 3 or a 5?

Rolling a single die:

Six values are possible. Only five is divisible by five; both three and six and divisible by three; making three possibilities. Therefore, the required probability is 3/6 = 0.5.

A 1000 marbles weigh 2.47kg how much does 1 marbles weigh?

1 kilogram weighs 1000 grams

so 2.47 kilograms = 2470 grams

If 1000 marbles weigh 2470 grams then 1 marble weighs 2470/1000 = 2.47 grams

What is the probability with a single die to roll less than seven?

Pretty good. A single die has six sides and they are normally numbered 1 to 6.

Since all values are under 7, their is a 100 percent probability of rolling less than 7.

How many times will it show a 3 if you rolled a die 260 times?

The probability is about 43 times, though you cannot be certain, so there is no definitive answer.

How many black jacks in a deck if 52?

There would be two black jacks. As a fraction, there would be 1/26.

What is the probability of a tossed coin landing with the tail side up?

It changes from country to country. In the UK, it is 49% because the queens head side is heavier.

In the U.S. both sides are completely equal, as heads and tails is treated as an important game there.

Which standard of equality is most concerned with the distribution of resources?

The equality of outcome is the standard of equality that is most concerned with the distribution of resources. Equality of outcome is used regularly in politics.

Is addition commutative can you show me an example?

The property of addition that allows two or more addends to be added in any order without changing the sum;

a + b = b + a

Examples:

c + 4 = 4 + c

(2 + 5) + 4r = 4r + (2 + 5)