# statistics- permutations and combinations

• February 10th 2008, 01:05 PM
lra11
statistics- permutations and combinations
a coin is tossed 10 times

how many different sequences of heads and tails are possible?

what do i do here please

thanks
• February 10th 2008, 01:10 PM
Plato
$2^{10} = 1024$
• February 10th 2008, 01:49 PM
lra11
thanks very much. much more simple than I thought. (Nod)