When flipping a coin, what is the probability that it will land on tails four times in a row?

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问题 When flipping a coin, what is the probability that it will land on tails four times in a row?

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答案 When flipping a coin, there are only two possible outcomes: heads or tails. Therefore, each side has a probability of 1/2, or 0.5, of landing facing up. The chances of the coin landing on tails four times in a row can be expressed as [*]

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When flipping a coin, what is the probability that it will land on tails four times in a row?

GRE QUANTITATIVE

GRE

NocountryintheworldhasmoredailynewspapersthantheUSA.Therearealmost2,000ofthem,ascomparedwith155inJapan,1

Ididn’tgototheparty,butIdowishI______there.

Evans:Ijustreceivedaletterfromoneofmyoldhighschoolbuddies.Danae:【D5】______Evans:Well,actuallyIhaven’theardf

Formorethan600yearspeoplehavecomplainedthatyoungsterscannotwriteproperEnglishanymore.Twouniversaltruthsemerge:

Textbookpricesaretraditionallyhigh."Combinedwiththerisingcostoftuition,thepriceofbooksforourstudentsisjust

Inanoldtownlivedamerchant.Heearnedhugeprofitsbyfairmeansandfoul(恶劣的).Withmoreprofitsflowingin,hebecamemor

Bytheyear2020,China’spopulationprobably________1.4billion.

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