document.write( "Question 312128: 5. A mutual fund manager is reviewing her account status and finds that the account population is normally distributed with a mean of $60,000 and a standard deviation of $6,000. \r
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document.write( "a. If she selects an account at random, what is the probability the account will have a value between $60,000 and $69,000? _______\r
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document.write( "b. If she selects an account at random, what is the probability the account will have a value between $51,000 and $66,000? ________\r
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document.write( "c. If she selects an account at random, what is the probability the account will have a value less than $55,000? ________\r
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document.write( "d. If she selects an account at random, what is the probability the account will have a value greater than $72,000? ________
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Algebra.Com's Answer #223162 by Fombitz(32388) You can put this solution on YOUR website! a) Find the z score for 60000 and 69000 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "P(60K< x <69K)=P(1.5)-P(0)=0.93319-0.5= \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "b) Find the z score for 55000 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "P(51K< x < 66K)=0.841345-0.066807= \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "c) Find the z score for 55000 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "P(x <55K)= \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "d) Find the z score for 72000 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "P(x <72K)= \n" ); document.write( "P(x >72K)=1-P(x <72K)=1-0.97725= \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( " |