4. A sample size of n= 40, X= 123 with population standard deviation o = 36 at 90% confidence %3D %3D level. 5. A sample size of n=65, X= 1353 with population standard deviation o = 123 at 95% confidence level. 6. A sample size of n= 112, X= 40 .1 with population standard deviation o= 1.6 at 99% %3D confidence level. 106 Y. ROE uith

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