document.write( "Question 903081: A variable X has a mean of 73.5 and a standard deviation of 61.4. A random sample of size 18 is selected. Assuming X is normally distributed, what is the probability, to two decimal places, that the sample mean exceeds 100? Give your answer to two decimal places in the form x.xx \n" ); document.write( "
Algebra.Com's Answer #547736 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi,
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document.write( "TI syntax is normalcdf(smaller, larger, µ, σ).
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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( "P (x>100) = 1 - P( x≤ 100)  = 1 -  normalcdf(-999, 100, 73.5, 61.4)
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