February 21, 2017

Homework Help: Statistics

Posted by david on Sunday, June 23, 2013 at 9:49pm.

1. Let x be the number of heads obtained in two tosses of a coin. The following table lists the probability distribution of x.
x 0 1 2
P(x) .25 .50 .25
Calculate the mean and standard deviation of x. Give a brief interpretation of the value of the mean.

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