Do one of the following, as appropriate:      (a) Find the critical value zα/2,      (b) find the critical value tα/2,      (c) state that neither the normal nor the t distribution applies. 95%; n = 11; σ is known; population appears to be very skewed. Group of answer choices zα/2 = 1.96 zα/2 =1.812 tα/2 =2.228 Neither the normal nor the t distribution applies.

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Do one of the following, as appropriate:

     (a) Find the critical value zα/2,

     (b) find the critical value tα/2,

     (c) state that neither the normal nor the t distribution applies.

95%; n = 11; σ is known; population appears to be very skewed.

Group of answer choices

zα/2 = 1.96
zα/2 =1.812
tα/2 =2.228
Neither the normal nor the t distribution applies.
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