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?
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