Question 149445
The answer is 10/32=5/16.
Here's how. 
At each step the choice is either heads or tails.
First toss, H or T.
Second toss, HH HT TH TT (example:first toss was H, second could be H or T and so on)
.
.
.
.
continue this way until you make a table with all possible values beginning with HHHHH and ending with TTTTT.
H	H	H	H	H
H	H	H	H	T
H	H	H	T	H
H	H	H	T	T
H	H	T	H	H
H	H	T	H	T
H	H	T	T	H
H	H	T	T	T
H	T	H	H	H
H	T	H	H	T
H	T	H	T	H
H	T	H	T	T
H	T	T	H	H
H	T	T	H	T
H	T	T	T	H
H	T	T	T	T
T	H	H	H	H
T	H	H	H	T
T	H	H	T	H
T	H	H	T	T
T	H	T	H	H
T	H	T	H	T
T	H	T	T	H
T	H	T	T	T
T	T	H	H	H
T	T	H	H	T
T	T	H	T	H
T	T	H	T	T
T	T	T	H	H
T	T	T	H	T
T	T	T	T	H
T	T	T	T	T
T	T	T	T	T
T	T	T	T	T
T	T	T	T	T

You will have 32 possible outcomes {{{32=2^5}}}.
5 heads - {{{1/32}}} 
4 heads - {{{5/32}}}
3 heads - {{{10/32}}}
2 heads - {{{10/32}}}
1 head - {{{5/32}}}
0 heads - {{{1/32}}}
{{{1+5+10+10+5+1=32}}}
These are also numbers in the 6th row of Pascal's triangle of binomial coefficients.