afari File Edit View History Bookmarks Window Help a mathxl.com Summer 2018 - Se

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afari File Edit View History Bookmarks Window Help a mathxl.com Summer 2018 - Session 1 - MTH 160 502 Test: Unit 4 Test ab Stat Courses This Question: 1 pt rse Home 2 of 10 Find the critical value ta/2 for the scenatio below. Confidence level 90%: n-17; ? is unknown; population appears to be normally distributed. gnments y Plan ebook runch 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. A. wz" 1.746 O B. z ,z" 1.28 C. / 1.645 er Conten D. / 1.337 for Succes edia Libra ase Optio e Tools Click to select your answer sions tor Resources Save for Later This course (Summer 2018 -Session 1 - MTH 160 502) is based on Triola: Elementary Statistics, 13e Copyright 2018 Pearson Education 24

Explanation / Answer

solution:- option A.
given that n = 17 then df = n -1 - 16
16 Degrees of Freedom; Area in One Tail; 0.05
t ?/2 = 1.746

by critical t value table

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