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Auniversitystudentfrequentsoneoftwocoffeehousesoncampus,choosingTimHortons70%ofthetimeandStarbucks30%ofthetime.Regardlessofwhereshegoes,shebuysadecaffeinatedcoffeeon60%ofhervisits.(12marks)a.Thenexttimeshegoesintoacoffeehouseoncampus,whatistheprobabilitythatshegoestoTimHortonsandordersadecaffeinatedcoffee?(4marks)b.Arethetwoeventsinpartaindependent?Explain.(2marks)c.Ifshegoesintoacoffeehouseandordersadecaffeinatedcoffee,whatistheprobabilitythatsheisatStarbucks?(3marks)d.WhatistheprobabilitythatshegoestoTimHortonsorordersadecaffeinatedcoffeeorboth?
- Auniversitystudentfrequentsoneoftwocoffeehousesoncampus,choosingTimHortons70%ofthetimeandStarbucks30%ofthetime.Regardlessofwhereshegoes,shebuysadecaffeinatedcoffeeon60%ofhervisits.(12marks)a.Thenexttimeshegoesintoacoffeehouseoncampus,whatistheprobabilitythatshegoestoTimHortonsandordersadecaffeinatedcoffee?(4marks)b.Arethetwoeventsinpartaindependent?Explain.(2marks)c.Ifshegoesintoacoffeehouseandordersadecaffeinatedcoffee,whatistheprobabilitythatsheisatStarbucks?(3marks)d.WhatistheprobabilitythatshegoestoTimHortonsorordersadecaffeinatedcoffeeorboth?
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