Ten coins are tossed simultaneously. In how many of the outcomes will the third coin turn up a head?  Choose the correct choice from the following answers.
A) 2^9 B) 2^10 C) 3 * 2^8 D) 3 * 2^9 E) 3 * 2^10
Apart from 3rd toss which needs to be Heads all other outcome are free and independent of each other.   total outcome for remaining 9 toss = 2929   3rd toss out come =&gt; 1 way   hence total outcome =&gt; 29∗1=2929∗1=29 =&gt; 2^9   2^9NSWER:2^9
<result>A</result>
Ten coins are tossed simultaneously. In how many of the outcomes will the third coin turn up a head?