Question: A sample of 24 of 179 funded projects revealed that 13 were valued at $17,920 each and 11 were valued at $20,220 each. From the sample data, estimate the total value of the funding for all the projects. (Enter your answers to two decimal places.)

Consider the following. (Give your answers correct to two decimal places.)

(a) Determine the value of the confidence coefficient z(α/2) for 1 - α = 0.83.

(b) Determine the value of the confidence coefficient z(α/2) for 1 - α = 0.9.