Arandom sample of size 100 was taken from a population. a 94% confidence interval to estimate the mean of the population was computed based on the sample data. the confidence interval for the mean is: (107.62,129.75). what is the z-value that was used in the computation. round your z-value to 2 decimal places. to answer the question input only the actual number. do not include units. do not give your answer in sentence form -- just include the numerical answer rounded to exactly 2 decimal places.