Question: 95%; n = 9; is unknown; population appears to be very skewed. Assume that we want to construct a confidence interval using the given

95%; n = 9; σ is unknown; population appears to be very skewed.

Assume that we want to construct a confidence interval using the given confidence level. Do one of the following, as appropriate: (a) Find the critical value z_α/2, (b) find the critical value t_α/2, (c) state that neither the normal nor the t distribution applies.

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