Give me the excel's formula please. Formula formula formula

105 A B C D E F G H K M N O P 148 population mean. Assume that the population is normally distributed and that the population standard deviation 144 equals 12 106 124 Complete the following analysis. Do not hard code values in your calculations. Use A1:A20, E9, E10, E11, and E12 compute the confidence inter 137 128 Confidence Coefficient 0.95 133 Population Standard Deviation 12 107 Sample Size n 20 123 a/2 0.025 108 106 Sample Mean x Compute the sample mean using A1 thru A20 15 138 16 121 Z1-a/2 Compute the Z score using E12 129 18 130 Lower Limit of Confidence Interval Compute the lower limit of the confidence Interval using E10, E11, E14, and E16. 19 102 20 141 Upper Limit of Confidence Interval Compute the upper limit of the confidence Interval using E10, E11, E14, and E16. 21 22 23