A simple random sample of 85 is drawn from a normally distributed population, and the mean is found to be 146 , with a standard deviation of 34 Which of the following values is outside the 99 percent confidence interval for the population mean? Use the table to help you answer the question. Confidence Level 90 percent 95 percent 99 percent z to the ast th power -score 1 point 6 4 5 1 point 9 6 2 point 5 8 Remember, the margin of error, ME , can be determined using the formula ME is equal to the fraction with numerator z times s and denominator square root of n
Answer
A
the value of 154 because it is greater than 153 point 2
B
the value of 135 because it is not greater than 136 point 5
C
the value of 137 because it is greater than 136 point 5
D
the value of 138 because it is less than 153 point 2