& Te This Question: 1 pt zes 6 of 17 (0 complete) This Test: 17 pts possible Do

Question

& Te This Question: 1 pt zes 6 of 17 (0 complete) This Test: 17 pts possible Do one of the following, as appropriate. (a) Find the critical value za/2. (b) find the critical value tu/2. (c) state that neither the normal nor the t distribution applies Confidence level 99%; n-19; ? 21 5; population appears to be normally distributed. Click here to view page 1 of th landard normal table Find the critical value t-table d normal table 18 O B. ta/2 2.552 O C. 2a/2 2.33 O D. 2a/2 2.575 0 E. Neither normal nor t distribution applies 3/18 1/18 2/18 2/18 5/18 9pm 5/18 Click to ple Tests and Quizzes ple tests and quizzes can be taken for practice or to build your study plan. Sample tests and quizzes do not affect your grade

Explanation / Answer

here as population std deviation is given threfoe we will use z crtical value

option D is correct

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