Give a 98% confidence interval, for /1 - /2 given the following information. n1 = 55, 1 = 3, $1 = 0.55 n2 = 45, 2 = 2.62, $2 = 0.51 For degrees of freedom, use the smaller of (n1 - 1) and (n2 - 1) t a = tinv(a, df) N SE = sqrt(($1) ^2 / n1 + ($2) ^2 / n2) E = ta * SE 2 CI = (201 - C2) +E Rounded both solutions to 2 decimal places