Information about a sample is given. Assume that the sampling distribution is symmetric and bell-shaped. I = 60 and the standard error is 3 (a) Indicate the parameter being estimated. : = :: : \mu :...

Extracted text: Information about a sample is given. Assume that the sampling distribution is symmetric and bell-shaped. I = 60 and the standard error is 3 (a) Indicate the parameter being estimated. : = :: < :=""> : \mu : \mu_1 :: \mu_2 :: p :: p 1 :: p_2 :: \rho :: \overline{x} : \overline{x}_1 :: \overline{x}_2 : \overset{\wedge}{p} :: \overset{\wedge}{p}_1 :: \overset{\wedge}{p}_2 :: r The parameter of interest is


Extracted text: (b) Use the information to give a 95 % confidence interval. The 95 % confidence interval is