Math and Arithmetic

Statistics

Probability

The probability of tossing a coin and getting heads is 0.5

on one coin, the probability of getting a head is 0.5, if there is no bias

The probability of tossing heads on all of the first six tosses of a fair coin is 0.56, or 0.015625. The probability of tossing heads on at least one of the first six tosses of a fair coin is 1 - 0.56, or 0.984375.

Zero. Since coins land on Heads or Tails and not numbers.

1/2 * 1/2 = 1/4 1/2= probability of landing an even number 1/2 = probability of landing a heads

Answer this Question : Probability of getting 10 heads in a row is(1/2)^10 = 1/1024 = 0.000976 or 0.098 %

1/2 chance of getting heads or tails 5 times 1/10

It is (1/2)3 = 1/8 or 0.125

Heads or tails; each have a probability of 0.5 (assuming a fair coin).

There are 23 or 8 possibilities; one is HHH. So, probability of HHH is 1/8 or 0.125.

If you look at the as the probability of getting 1 or more tail in 4 coin tosses, you would then calculate the probability of tossing 4 heads in a row and subracting that from 1. The probability fo tossing 4 heads is 1/2 * 1/2 * 1/2 * 1/2 = 1/16. 1 - 1/16 = 15/16.

The probability is 5/16.

The probability of tossing a coin 9 times and getting at least one tail is: P(9 times, at least 1 tail) = 1 - P(9 heads) = 1 - (0.50)9 = 0.9980... ≈ 99.8%

The probability of getting two tails when tossing a coin is zero, because the coin can only have one result. If, one the other hand, you toss the coin twice, then the probability of getting two tails is 0.25, i.e. the probability of one tail, 0.5, squared.

The probability of tossing a coin 5 times and getting all tails is:P(TTTTT) = (1/2)5 = 0.03125 ≈ 3.13%

The probability is 0.998

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