Theaveragestartingsalaryforthisyear'sgraduatesatalargeuniversity(LU)is$20,000withastandarddeviationof$8,000.Furthermore,itisknownthatthestartingsalariesarenormallydistributed....


Theaveragestartingsalaryforthisyear'sgraduatesatalargeuniversity(LU)is$20,000withastandarddeviationof$8,000.Furthermore,itisknownthatthestartingsalariesarenormallydistributed.


a.WhatistheprobabilitythatarandomlyselectedLUgraduatewillhaveastartingsalaryofatleast$30,400?



b.WhatistheprobabilitythatarandomlyselectedLUgraduatewillhaveasalaryofexactly$30,400?


c.Individualswithstartingsalariesoflessthan$15600receivealowincometaxbreak.


Whatpercentageofthegraduateswillreceivethetaxbreak?


d.If189oftherecentgraduateshavesalariesofatleast$32240,howmanystudentsgraduatedthisyearfromthisuniversity?



Jun 01, 2022
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