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ID:16414821
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页数:7页
时间:2018-08-09
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1、MarketSizing案例解答:题目一:请估算中国一年生产的高尔夫球数目解答:高尔夫球数目=50TierOneorTwoCity*20GolfCourts*300Days*GolfBallsUsedTimesEveryday*DepreciationRateGolfBallsUsedTimesEveryday=(200meters*200meters)/(50meters*50meters)*6timesperHours*8Hours其中(200meters*200meters/50meters*meters)为PeopleCapacityDeprecia
2、itonRate=1/20,即使用20次损坏或丢失答案约为1000万个题目二:请估算北京的加油站数目解答:北京的加油站数目=北京的汽车数目*每天加油的次数/每个加油站一天的服务数目北京的汽车数目=北京人口(=2000万)*20-50岁人口比例(=1/2)*月收入大于5000比例(1/10)/私车所占比例(=50%)每天加油的次数=1/每隔多少天加一次油(=10天)每个加油站一天的服务数目=12Hours*60Minutes/10Minutes*3个加油口答案约为1000个题目三:请估算此时此刻中国大陆上空的飞机数目解答:中国大陆上空的飞机数目=中国飞机的数目
3、*一架飞机在空中的概率中国飞机的数目=50TierOneorTwoCity*机场每天吞吐量(即起飞降落数目)/一架飞机一天的起降数目假设此时此刻在白天,则:一架飞机在空中的概率=飞行时间/(飞行时间+整修时间)=2/3机场每天吞吐量(即起飞降落数目)=一分钟的起降数(=20分钟起降/20个跑道)*12Hours*60Minutes一架飞机一天的起降数目=二到三个航班*2=5(包含国际航班影响的平均值)答案约为1万架Duringyourcaseinterview,youmaybeaskedtomakeestimatesorsolveaproblem.You'l
4、lfindtwoexamplesbelowthatwillhelpyouthinkthroughtheprocessofarrivingatreasonableestimates.Thethirdquestionisabrainteaser—aremindertothinkcreativelywhentacklinganycaseinterviewproblem.Q:HowmanypayphonesarethereontheislandofManhattan?A:Alogicalplacetobeginyouranalysismightbetoballpar
5、kthenumberofpayphonesonManhattanstreetcorners.IfyouthinkofNewYorkCityasagridofstreets,youmightguessitisabout300streetslong(northtosouth)bytenstreetswide(easttowest),soithasapproximately3,000intersections.Youmightthenassumethereisonepayphoneforeverytwointersections,foratotalofabout1
6、,500payphones.Ifyou’refeelingreallycreative,youmightsubtractthenumberofintersectionsthatare“invalidated”becausetheyfallintheareaofCentralPark.SayCentralParkistenblockslongbytwoblockswide,or20intersections.Usingyourone-pay-phone-for-every-two-intersectionsassumption,youwouldwanttosu
7、btracttenpayphonesfromtheoriginal1,500.Youmightthenaddtothe1,490thenumberofpayphonesthatmightbefoundinrestaurants,hotels,schools,hospitals,andoffice-buildinglobbies.Q:Howmanyhotel-sizedbottlesofshampooandconditionerareproducedeachyeararoundtheworld?A:Youmightbeginbyassumingthathote
8、l-sizedbottlesareproducedf
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