document.write( "Question 1126828: Healthy people have body temperatures that are normally distributed with a mean of 98.20 ∘F and a standard deviation of 0.62 ∘F.\r
\n" ); document.write( "\n" ); document.write( "(a) If a healthy person is randomly selected, what is the probability that he or she has a temperature above 99.9 ∘F.\r
\n" ); document.write( "\n" ); document.write( "(b) A hospital wants to select a minimum temperature for requiring further medical tests. What should that temperature be, if we want only 0.5 % of healthy people to exceed it?
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Algebra.Com's Answer #743158 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "Mean\"mu+=+98.2F\"
\n" ); document.write( "Standard Deviation \"delta=+.62F+\"\r
\n" ); document.write( "\n" ); document.write( "(a)\r
\n" ); document.write( "\n" ); document.write( "\"z%2899.2%29+=+%2899.2-98.2%29%2F0.62+=+1.6129\"
\n" ); document.write( "\"P%28x+%3E+00.2%29+=+P%28z%3E+1.6129%29+=+0.0534\"\r
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\n" ); document.write( "\n" ); document.write( "(b) \r
\n" ); document.write( "\n" ); document.write( "Find the \"z\"-score that has a right tail of \"5\"%: \r
\n" ); document.write( "\n" ); document.write( "\"z+=inv%280.95%29+=+1.645\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+z%28delta%29+%2B+mu+=+1.645%28.62%29+%2B+98.2+=99.2199=99.2\"\r
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