= 74
n = 100
s = 5
For 95% confidence interval
z_c = 1.96
.Margin of error = 0.98
Confidence interval = ( - E, + E )
Confidence interval = ( 74 - 0.98 , 74 + 0.98 )
Confidence interval = ( 73.02, 74.98 )
Assume that population mean is to be estimated from the sample described. Use the sample results...
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