document.write( "Question 685145: I am totally dumb-founded on this problem. Can someone please HELP, and show me how you did it! Maybe if you show me just one or two of them I could do the rest of them............ ASAP!\r
\n" ); document.write( "\n" ); document.write( "Find the z-score corresponding to a score of x=100 for each of the following
\n" ); document.write( "Distributions:
\n" ); document.write( "a. µ= 80 and σ=10
\n" ); document.write( "b. µ=80 and σ= 5
\n" ); document.write( "c. µ=105 and σ=10
\n" ); document.write( "d. µ=105 and σ=5
\n" ); document.write( "Make sure to indicate the direction (sign) of the z-score.\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
Algebra.Com's Answer #424351 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
formula:
\n" ); document.write( "z = (x-μ)/σ
\n" ); document.write( ".
\n" ); document.write( "a. μ = 80 and σ = 10
\n" ); document.write( "z = (x-μ)/σ
\n" ); document.write( "z = (100-80)/10
\n" ); document.write( "z = 20/10
\n" ); document.write( "z = +2
\n" ); document.write( ".
\n" ); document.write( "b. μ = 80 and σ = 5
\n" ); document.write( "z = (x-μ)/σ
\n" ); document.write( "z = (100-80)/5
\n" ); document.write( "z = 20/5
\n" ); document.write( "z = +4
\n" ); document.write( ".
\n" ); document.write( "c. μ = 105 and σ = 10
\n" ); document.write( "z = (x-μ)/σ
\n" ); document.write( "z = (100-105)/10
\n" ); document.write( "z = -5/10
\n" ); document.write( "z = -0.5
\n" ); document.write( ".
\n" ); document.write( "d. μ = 105 and σ = 5
\n" ); document.write( "z = (x-μ)/σ
\n" ); document.write( "z = (100-105)/5
\n" ); document.write( "z = -5/5
\n" ); document.write( "z = -1\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
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