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Earn +20 ptsQ: Probability to get exactly 2 heads when flipping a coin 3 times?
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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 flipping a coin 4 times and it landing on heads each time?
p(heads)= 0.5 p(heads)^4= 0.0625
What is the probability of flipping a coin and getting heads 7 times in a row?
i got 1/941192
What is the probability of flipping 25 heads in a row?
The best way to think about this is the following way: What is the probability of flipping heads once? 1/2 What is the probability of flipping heads twice? 1/4 (1/2 * 1/2) Using this we can derive the equation to find the probability of flipping heads any number of times. 1/2n Using this we plug in 25 for n and get 1/225 or as a decimal 2.98023224 x 10-8 or as odds 1:33,554,432
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.
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