Question Help Do one of the following, as appropriate. (a) Find the critical val

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Question Help Do one of the following, as appropriate. (a) Find the critical value z/2. (b) find the critical value t/2. (c) state that neither the normal nor the t distribution applies Confidence level 99%, n = 15; is known; population appears to be very skewed. Click here to view a table of critical t-values Click here to view page 1 of the standard normal table Click here to view page 2 of the standard normal table. Find the critical value. OA, ta/ 2 = 2.977 B. Za/ 2=2.33 O C. 2a/2 2.575 O D. ta/2-2.624 Te E. Neither normal nor t distribution applies. ont Click to select your answer Suc a Library 12/15/17 11:59pm e here to search

Explanation / Answer

as we know population standard deviation we are supposed to use standard normal distribution(z).But as sample size is less than 30 and distribution seems to be skewed

option E is correct

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