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Earn +20 ptsQ: What is the complement of four heads in the toss of four coins?
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If you toss of 4 coins what is the complement of 4 heads?
at least one tail
If you toss 4 coins what is the probability of getting four heads and zero tails?
The probability of getting a head is 1/2 and if you toss it 4 times, the probability of 4 heads is (1/2)^4=1/16 since the tosses are independent events.
If you toss 2 coins what is the probability of getting two heads?
1:4
What is the probability of toss two heads with 2 pennies?
There are four different ways that two coins can land: T T T H H T H H. Only one of them is two heads, so if the coins are fair, then the probability is 1/4 = 25% .
If you toss three coins what is the probability that two coins will be heads up?
Possibilities: HHH, HHT, HTH, THH, HTT, THT, TTH, TTT. There are 3 chances out of 8 that there will be two heads and one more that there will be AT LEAST two heads.
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