Posted by morne on .
At a local Mcdonaldâ€™s managers will return a shipment of hamburger buns if more than 10% of the buns are crushed. A random sample of 81 buns 13 buns crashed. A 5% significance level test is conducted to determine if the shipment should be accepted. The test statistic value and the critical value are:
1.645; 1.815
1.815; 1.645
1.815; 1.645
1.815; 1.771
Geeneen van die bostaande / None of the above

math 
john,
1645; 1815