document.write( "Question 525398: I am having a hard time understanding standard normal distribution: \r
\n" ); document.write( "\n" ); document.write( "how would you figure this from a problem such as:\r
\n" ); document.write( "\n" ); document.write( "P(1.22 < Z < 2.15) \n" ); document.write( "

Algebra.Com's Answer #348105 by richard1234(7193) $\"\"$ $\"About$

You can put this solution on YOUR website!
That question is asking, for a normal curve with

and

, what is the probability that the z-score is between 1.22 and 2.15. Use your calculator and the normal cdf (cumulative distribution function) to evaluate it. On a TI calculator, it might look something like\r
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\n" ); document.write( "\n" ); document.write( "normcdf(1.22, 2.15, 0, 1)\r
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\n" ); document.write( "\n" ); document.write( "The syntax might be slightly different on other calculators. \n" ); document.write( "

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