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255/256 (complement formula)

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โˆ™ 2014-12-30 18:49:22
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Q: If nine fair coins are tossed what is the probability of obtaining at least one head and at least one tail using the complement formula?
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Related questions

When two coins are tossed simultaneously what is the probability of obtaining at most one head?

The probability is 3/4.


What is probability of obtaining a number different from 11 when a single fair die is tossed?

A single fair die has the numbers 1 to 6, so when a single fair die is tossed the probability of obtaining a number different than 11 is: P(x diff than11) = 1.


If a die is tossed once probability of it landing on a 6?

Since there are 6 possible outcomes, and you want the probability of obtaining one of the outcomes (in your case 6), the probability of it landing on a 6 is 1/6.


What is the probability of obtaining tails or a six?

The answer depends on the experiment: how many coins are tossed, how often, how many dice are rolled, how often.


What is probability of obtaining a number different from 12 when a single fair die is tossed?

assuming we are talking about standard dice here (six sided, numbered 1-6) then the probability of obtaining a result other than 12 when a single die is tossed is 100%. There is no way to roll a 12 after 1 toss of 1 die, therefore the chance of getting anything other than 12 is guaranteed


Probability is the what that something will or will not occur?

Probability is the likelihood that something will occur. If you subtract it from 1, we get the likelihood (or probability) that it will not occur. If a coin is tossed and rolls heads 6 times, the (empirical) probability of obtaining a head is 6/10 or .6. 1-.6 =.4 is the empirical probability (or likelihood) of not getting a head.


If 4 coins are tossed what is the probability of 4 tails?

The probability is 1/16.


Probability of gettingm 2 tails when 2 coins are tossed?

1/4 if they are tossed only once.


Probability of getting both head and tail simultaneously when a coin is tossed?

The probability is 50-50.


If a coin is tossed then what is the probability that the number is 5?

Coins do not have numbers, there is only the probability of heads or tails.


What is the probability of getting three tails and a head when a coin is tossed four times?

The probability is 1/4


What is the probability that when a coin is tossed it will land heads up?

50%


What is the probability of tossing a tail when a coin is tossed twice?

75%


What is the probability that a coin tossed in the land with heads up?

It is 0.5


If 3 fair coins are tossed what is the probability of getting exactly 2 tails?

The probability is 3/8 = 0.375


What is the probability that a coin that is tossed 10 times--- what is the probability of it landing on heads 10 times?

0


What is the probability of a coin tossed two times to get heads?

It is 3/4


When 2 coins are tossed what is the probability of a head and a tail?

50/50


What is the probability of getting two tails if a coin in tossed twice?

It is 0.25


What is the probability of getting 2 heads when 2 coins are tossed?

The probability of tossing two heads in two coins is 0.25.


A coin is tossed 10 times. What is the probability of getting at least one head?

Assuming that it is a fair coin, the probability is 0.9990


When a penny and a nickel are tossed. find the probability that the penny shows heads given that the nickel shows heads?

The probability is 0.5


If a coin is tossed 5 times what is the probability of getting tails no more then 2 times?

The probability is 0.5The probability is 0.5The probability is 0.5The probability is 0.5


A simple dice is tossed what is the probability of a two turning up?

There are 6 outcomes, a 2 is one of them so the probability is 1/6.


What is the probability of getting 3 tails when a coin is tossed 4 times?

50%

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