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A 6-sided die is blank on one face, marked with a 1 on three faces, and has a 2 and a 3 on the remaining faces. What is the expected value of a roll of this die? (Give the simplified numerator and denominator.)When throwing 4 balls at random into 5 bins, what is the probability that all 4 land in the same bin?

math   Statistics-And-Probability   
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ball wll lnd 6ia a And thore ane S bins All 4 bals will tandín e same bind 62S Selectry one bin drom S bins 128

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