DavidB4-bot
→top: Spelling/Grammar Check, typos fixed: Therefore → Therefore,
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+1
→Probability-generating function: clean up & uniformity
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RonLar
no edit summary
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+7
→Probability-generating function: def. of prob.gen.fct.
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probability generating function
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→Mean and Variance
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→Mean
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mean
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+262
a start...
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+438