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tootsiebrowny tootsiebrowny
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A month ago
Use the following to answer the questions below:

Let X represent the number of heads seen in two tosses of a fair coin. The probability function for this random variable is summarized in the provided table.

x012
p(x)0.250.500.25
Round all answers to two decimal places unless otherwise specified.


Compute the variance of the number of heads seen in two tosses of a fair coin. Use one decimal place.
Textbook 
Statistics: Unlocking the Power of Data

Statistics: Unlocking the Power of Data


Edition: 3rd
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PWT82PWT82
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