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Category: Probability and Statistics

You-flip-two-fair-six-sidded-dice-and-add-the-number-of-spots-what-probability-of-getting-a-number-divisible-by-2-but-not-by-5-

Question Number 131062 by benjo_mathlover last updated on 01/Feb/21 $$\mathrm{You}\:\mathrm{flip}\:\mathrm{two}\:\mathrm{fair}\:\mathrm{six}−\mathrm{sidded}\:\mathrm{dice}\:\mathrm{and}\:\mathrm{add} \\ $$$$\mathrm{the}\:\mathrm{number}\:\mathrm{of}\:\mathrm{spots}.\:\mathrm{what}\:\mathrm{probability}\:\mathrm{of}\:\mathrm{getting} \\ $$$$\mathrm{a}\:\mathrm{number}\:\mathrm{divisible}\:\mathrm{by}\:\mathrm{2}\:\mathrm{but}\:\mathrm{not}\:\mathrm{by}\:\mathrm{5}\:? \\ $$ Answered by EDWIN88 last updated on 01/Feb/21 $${Write}\:{L}_{{n}} \:{for}\:{even}\:{the}\:{number}\:{is}…

A-box-contains-4-black-5-white-and-6-red-shirts-3-are-drawn-from-the-box-one-after-the-other-without-replacement-Find-the-proability-that-two-of-the-same-color-and-one-a-different-color-

Question Number 128103 by byaw last updated on 04/Jan/21 $$ \\ $$$$\mathrm{A}\:\mathrm{box}\:\mathrm{contains}\:\mathrm{4}\:\mathrm{black}\:\mathrm{5}\:\mathrm{white} \\ $$$$\mathrm{and}\:\mathrm{6}\:\mathrm{red}\:\mathrm{shirts}.\:\mathrm{3}\:\mathrm{are}\:\mathrm{drawn}\:\mathrm{from} \\ $$$$\mathrm{the}\:\mathrm{box}\:\mathrm{one}\:\mathrm{after}\:\mathrm{the}\:\mathrm{other}\: \\ $$$$\mathrm{without}\:\mathrm{replacement}.\:\mathrm{Find}\:\mathrm{the} \\ $$$$\mathrm{proability}\:\mathrm{that}\:\mathrm{two}\:\mathrm{of}\:\mathrm{the}\:\mathrm{same} \\ $$$$\mathrm{color}\:\mathrm{and}\:\mathrm{one}\:\mathrm{a}\:\mathrm{different}\:\mathrm{color}. \\ $$ Answered…