A simple random sample of 85 is drawn from a normally distributed population, and the mean is found to be 146, with a standard d
eviation of 34. Which of the following values is outside the 99% confidence interval for the population mean? Use the table below to help you answer the question. Confidence Level
90%
95%
99%
z*-score
1.645
1.96
2.58
Remember, the margin of error, ME, can be determined using the formula M E = StartFraction z times s Over StartRoot n EndRoot EndFraction.
the value of 135 because it is not greater than 136.5
the value of 137 because it is greater than 136.5
the value of 138 because it is less than 153.2
the value of 154 because it is greater than 153.2
