Whatt/2,n1

1 3 points What to/2,n-1 critical value would you use for a confidence interval for the population mean in each of the following situations? Use 4 decimal places. (a) For a 95% confidence interval based on n = 13 observations: type your answer... (b) For a 99% confidence interval from an SRS of 23 observations: type your answer.. (c) For an 80% confidence interval from a sample of size 6: type your