document.write( "Question 616146: Consider a population with ľ=74.5 and σ=3.04.
\n" ); document.write( "(A) Calculate the z-score for x=75.7 (the x has a line over it) from a sample of size 18.
\n" ); document.write( "(B) Could this z-score be used in calculating probabilities using Table 3 in Appendix B of the text? Why or why not?\r
\n" ); document.write( "\n" ); document.write( "I got the answer for part (A) as (75.7 - 74.5) / [3.04 / sqrt (18)] = 1.674
\n" ); document.write( "I need help with part (B) please
\n" ); document.write( "TABLE 3 Cumulative Areas of the Standard Normal Distribution\r
\n" ); document.write( "\n" ); document.write( " The entries in this table are the cumulative probabilities for the standard normal distribution z (that is, the normal distribution with mean 0 and standard deviation 1). The shaded area under the curve of the standard normal distribution represents the cumulative probability to the left of a z-value in the left-hand tail.
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Algebra.Com's Answer #387533 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi, 
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document.write( "population with ľ=74.5 and σ=3.04.
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document.write( " (A) Calculate the z-score for x=75.7 (the x has a line over it) from a sample of size 18.
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document.write( " good work.
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document.write( "Below: z = 1.674 represented by blue line
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