# Hacktivateed

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## What is the probability of getting 50 heads in 100 tosses?

So when you toss a fair coin 100 times, you should expect to get roughly 50 Heads and 50 Tails. That is because Heads and Tails are equally likely. The probabilities of each event – Heads and Tails – are both equal. Because they are equal, they are both given a probability of ½.

What is the probability that given a 100 coin tosses you get exactly 50 heads and 50 tails explain your calculation?

Finally we arrive at the answer: there are 1.009e29 ways to get 50/50 heads/tails, and there are 1.268e30 possible outcomes altogether, so the probability of getting an even split is 1.009/12.68 = 7.95%.

What is the theoretical probability for getting 100 heads when tossing 100 coins?

This is an easy question to answer. The probability of flipping a fair coin and getting 100 Heads in a row is 1 in 2^100. That’s 1 in 1,267,650,600,228,229,401,496,703,205,376.

### When you toss 100 coins What is the probability that 60 will be head?

The probability of 60 correct guesses out of 100 is about 2.8%, which means that if we do a large number of experiments flipping 100 coins, about every 35 experiments we can expect a score of 60 or better, purely due to chance.

Is flipping a coin really 50 50?

If a coin is flipped with its heads side facing up, it will land the same way 51 out of 100 times, a Stanford researcher has claimed. According to math professor Persi Diaconis, the probability of flipping a coin and guessing which side lands up correctly is not really 50-50. The coin flips work in much the same way.

Is Flip a coin rigged?

The ubiquitous coin toss is not so random after all, and can easily be manipulated to turn up heads, or tails, a Canadian study has found. Success depended on how high a coin was tossed, how quickly it was tossed it, how many times it was spun and how it was caught. …

#### What is the probability of getting at least 3 heads?

What is the probability of getting 2 heads in 3 tosses?

for 2 Heads in 3 Coin Flips
Total Events n(S) 8 8
Success Events n(A) 4 3
Probability P(A) 0.5 0.38

How many heads is 100 coin flips?

100 coin flips, expect to see 7 heads in a row.

What are the chances of flipping heads 20 times in a row?

The probability of flipping a head after having already flipped 20 heads in a row is 12. Assuming a fair coin: The probability of 20 heads, then 1 tail is 0.520 × 0.5 = 0.5. The probability of 20 heads, then 1 head is 0.520 × 0.5 = 0.5.

## What are the odds of flipping 10 heads in a row?

a 1/1024 chance
Junho: According to probability, there is a 1/1024 chance of getting 10 consecutive heads (in a run of 10 flips in a row). However, this does not mean that it will be exactly that number. It might take one person less throws to get 10 consecutive heads.

What is the deviation for 100 coin toss?

This is because if you take the sum, the deviations tend to cancel out. Thus, if the variance of a coin flip (heads = 1, tails = 0) is 0.25 (0.5 * 0.5), the variance of the sum of 100 coin flips is 25, not 0.25*(100 squared).

What wins more heads or tails?

If it comes up tails more than heads, you pay him the same. There are no hidden tricks. It’s a fair bet — safe to take, if you’re looking for a 50/50 chance.