Asked by gary

katy will flip 3 pennies once.How many possible outcomes for this compound event are there?

What is the probability that all 3 pennies will land on tails?
Answered by Reiny
HHH
HHT
HTH
HTT
THH
TTH
THT
TTT

So, what do you think?
Answered by drwls
There are 2^3 = 8 possibilities (permutations) if the order of appearance is important.
HHH
HHT
HTH
HTT
TTT
THT
TTH
TTT
There are 4 combinations (0,1,2 or 3 tails)
The probability of TTT is 1/8
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