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April 20, 2014

Homework Help: stor

Posted by ami on Saturday, September 29, 2012 at 6:18pm.

Suppose that you
flip a fair coin (P(H)=P(T)=1
2 ) three times and you record if it landed on heads, H, or tails,
T.
(a) What is the sample space of this experiment? What is the probability of each event?
(b) [1 pt] Let X be the number of times that you observe heads. What type of random variable is X?
(c) What is the probability distribution of X?

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