document.write( "Question 1173756: . Five hundred children participated in a field demonstration. Their heights averaged 110 cm with a standard deviation of 6 cm. \r
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Algebra.Com's Answer #799082 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "Normal Distribution:
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document.write( "  μ  = 110  σ = 6
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document.write( "Note: The -9999 is used as the smaller value to be at least 5 standard deviations from the mean.
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document.write( " Using a TI calculator 0r similarly a Casio fx-115 ES plus <$20)
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document.write( "a. What is the probability/percentage that a child, picked at random has a height greater than 120 cm?
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document.write( " P (x > 120 ) = 1 - P (x â‰¤ 120 )       | Continuous function
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document.write( "  P (x > 120 ) = 1 - normalcdf(-9999,120,110,6) = 1 - .9522 = .0478
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document.write( "   .
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document.write( "b. What is the probability/percentage that the height of a child, picked at random, is less than 100 cm?
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document.write( "   P (x < 100 ) = P (x â‰¤ 100 )           |Continuous function
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document.write( "   P (x < 100 ) = P (x â‰¤ 100 ) =normalcdf(-9999,100,110,6) = .0478
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document.write( "Note:  120 and 100 are both 10 from μ  of 110  
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