C Secure https://www.mathxl layer Test T.aspx?testld-1652523038 cente yes uiz: Q

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C Secure https://www.mathxl layer Test T.aspx?testld-1652523038 cente yes uiz: Q7-3 his Question: 1 pt Do one of the following, as appropriate (a) Find the critical value za/2. (b) find the critical value te/2. (C) state that neither the normal nor the t distribution applies Confidence level 95%, na 17, -21 6, population appears to be normally distributed Click here to view a table of critical t-values. table Find the critical value A. Zu/2-1 645 O c. tar , 2-1746 D. tu ,2-2, 120 E. Neither normal nor t distribution applies Click to select your answer

Explanation / Answer

Given that the population is normal and we have the value of population standard deviation so we will use z critical value here.

Hence,

Option B is correct.

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