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Earn +20 ptsQ: What is the probability of tossing at least one head with 3 coins?
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When tossing 4 coins simultaneously find the probability that at least 1 head is showing?
It is 15/16.
When tossing 5 coins simultaneously what is the probability that at least 1 head is showing?
Probability of no heads = (0.5)^5 = 0.03125Probability of at least one head = 1 - probability of no heads = 1 - 0.03125 = 0.96875
What is the probability of a head in tossing three coins?
7/8
When tossing 5 coins simultaneously can you find the probability that at least 1 head is showing?
Probability not at least 1 head showing is when all 5 coins are tails: (1/2)5=1/32 Therefore probability at least 1 head is showing is 1-1/32=31/32
The probability of a head and a tail of tossing four coins simultaneously is?
1/4
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