thank you

- If you answer is +, input as "+/-". (+1.395 would be entered as +/-1.395) Rounding rules: Z-value: Round nearest hundredth. (1.389 would be entered as 1.39) t-value: Round nearest thousandth. (2.5678 would be entered as 2.568) x2 value: Round nearest thousandth. (2.5678 would be entered as 2.568) p-value: Round nearest ten-thousandth. (0.358789 would be entered as 0.35879) D Question 2 3 pts Doctors nationally believe that 80% of a certain type of operation are successful. In a particular hospital, 47 of these operations were observed and 37 of them were successful. At = 105, test if this hospital's success rate is different from the national average. (a) Find the critical value. (b) Find the confidence interval. between and Round CI to nearest ten-thousandth. (e.g. 0.13589 would be entered as 0.1359) (c) At = .05, is this hospital's success rate is different from the national average? (input as "yes" or "no")