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OpenStudy (anonymous):
helllllllllllllllp please.. medal and fans A fair coin is tossed 5 times and the number of heads is recorded. (i) The random variable X is the number of heads. State the mean and the variance. (ii) The number of heads is doubled and denoted by the random variable Y. State the mean and variance of Y.
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OpenStudy (amoodarya):
|dw:1434986852277:dw| this is first step
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