Consider the following. (Give your answers correct to two decimal places.)
(a) Determine the value of the confidence coefficient z(?/2) for 1 - ? = 0.83.
(b) Determine the value of the confidence coefficient z(?/2) for 1 - ? = 0.98.
(c)Determine the level of confidence given the confidence coefficient z(?/2) for z(?/2) = 1.61.
(d) Determine the level of confidence given the confidence coefficient z(?/2) for z(?/2) = 1.9.
(e) Determine the level of confidence given the confidence coefficient z(?/2) for z(?/2) = 2.14.
(f) Determine the level of confidence given the confidence coefficient z(?/2) for z(?/2) = 2.42.