document.write( "Question 375967: Suppose we have a set of blood pressures with a mean of 120 Systolic, and a sample standard deviation of 15 points. If we assume a normal distribution of Systolic blood pressures, then between what two values can we be assured 99.7% of all Systolic blood pressures will lie?
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Algebra.Com's Answer #267389 by robertb(5830) $\"\"$ $\"About$

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. Then
\n" ); document.write( " $\"%28alpha+-+120%29%2F15+=+-2.96\"$ , and $\"%28beta+-+120%29%2F15+=+2.96\"$ . We get
\n" ); document.write( " $\"alpha+=+75.6\"$ , and $\"beta+=+164.44\"$ . \n" ); document.write( "

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