Monday
December 22, 2014

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.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

math - a fair coin is tossed in the air 4 times. if the coin lands heads up the ...
Stat. - A trick coin has been weighted so that heads occurs with a probability ...
math - In a game, a player tosses a coin 4 times. If the player gets 3 or 4 ...
algebra - A coin is tossed 3 times. Find the probability of obtaining the ...
Probability - You toss a fair coin four times. Find the probability of no more ...
finite math (probability - suppose you toss a coin 100 times and get 57 heads ...
science - If you toss a coin five times and it lands heads up each time, can you...
math - Suppose you toss a coin and it you win a dollar if it comes up heads. If ...
Finite Math - A coin is loaded, so that the probability of a head occuring on a ...
Finite Math - John has three coins in his pocket. One is fair, one has two heads...

Search
Members