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5 over 2, i.e. the number of combinations of 2 elements from 5. To understand this you need to study a little bit of combinatorics (how to count combinations): you might want to start from the lectures on combinatorics at statlect.com.

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14y ago

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Related Questions

What is the probablity that the sequence will be heads-heads-heads if you toss a coin 3 times?

the probability of getting heads-heads-heads if you toss a coin three times is 1 out of 9.


What is the probability of flipping a coin 3 times and getting 3 heads?

The probability of flipping a coin 3 times and getting 3 heads is 1/2


What is the probability of getting heads more than once if you flip a coin three times?

For 3 coin flips: 87% chance of getting heads at least once 25% chance of getting heads twice 13% chance of getting heads all three times


If I were to flip a coin 2 times. What is the probability of getting heads?

25%


If I were to flip a coin 4 times. What is the probability of me getting heads twice?

If the coin is not biased, the answer is 0.375


A coin is tossed 60 times It landed on heads 21 times what is the experimental probability of getting heads?

1/2


If you were to flip a coin 4 times What is the probability of you getting heads four times?

6.25%


What is the probability of obtaining exactly 4 heads in a coin?

About a 1 in 16 chance of getting a coin to land on heads 4 times in a row.


What is the probability of flipping a coin 4 times and getting 4 heads?

You still still have a 1:2 chance of getting heads regardless of the times you flip.


The probability of flipping a coin three times and getting two heads is?

There are 8 permutations of flipping a coin 3 times, or of flipping 3 coins one time. They are, with the permutations of two heads bolded...TTTTTHTHTTHHHTTHTHHHTHHH... thus, the probability of flipping a coin 3 times and getting 2 heads is 3 in 8, or 0.375.


If you were to flip a coin 4 times What is the probability of you getting heads 4 times?

very low


What is the probability of getting heads when you toss a coin ten times?

50% or 5

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