February 19, 2017

Homework Help: algebra I

Posted by Joanne on Thursday, February 7, 2008 at 5:43pm.

If you toss a coin, the probability of gettig heads is 1/2. If you toss a coin 2 times. the probability of getting heds each time is 1/2*1/2 or (1/2)^2.

-Write an expression to represent the probability of tossing a coin 'n' times and getting 'n' heads.
-Express your answer to the question above as a power of 2.

At first I thought the expression was (1/2)^n but then when I look at it again, it seems wrong.

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