Statistics question number 22

Statistics
Tutor: None Selected Time limit: 1 Day

Apr 21st, 2015

The required critical value is z= 1.28

Our test statistic is  (416 -407)/√(625/20) = 9/√31.25 = 1.61 >1.28

We should reject the null hypothesis and conclude the bags are overfilled

Apr 21st, 2015

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