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OpenStudy (anonymous):
Suppose dice were rolled 273 times. Find the mean and standard deviation for a sum of seven.
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OpenStudy (anonymous):
how is the seven counted? all together seven? or two dices, sum of seven? you'll need to know this to find p, as mean=np
OpenStudy (anonymous):
that's all the problem says. i guess it's talking about 2 dice
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