SOLVED: A sample of 20 students shows a mean height of 169 cm with a standard deviation of 18.5 cm. Based on this sample, what is the probability that a sample mean is smaller than 160 cm? Enter the probability as a number between 0 and 1 with 3 decimals.t-student probability (p) lookupt1.070df19p (one tail)0.149p (two tails)0.298p (cumulative)0.851t-student lookup from pp (right tail)0.010df18t (right tail)2.552p (left tail)0.010df18t (left tail)-2.552p (two tails)0.010df18t (two tails)2.878
SOLVED: A sample of 20 students shows a mean height of 169 cm wi…
Oct 20, 2021
numerade.com
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