Do one of the following, as appropriate: (a) Find the critical value Za/2, (b) find...

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Do one of the following, as appropriate: (a) Find the critical value Za/2, (b) find the critical value to/2. (c) state that neither the normal nor the t distribution applies.91%; n = 45; ? is known; population appears to be very skewed.Za/2= 1.75Za/2= 1.70ta/2 = 1.34ta/2= 1.645

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