B. The proportion of customers who are completely satisfied in arecent satisfaction survey of 300 customers at XYC Inc. is found tobe 0.26. Test the hypothesis that the populationproportion of customers who are completely satisfied is greaterthan 0.22 using the critical value approach and a 0.05 level ofsignificance. e Test the hypothesis that the population proportionof customers who are completely satisfied is less than 0.30 usingthe p-value approach and a 0.05 level of significance. b. Test thehypothesis that the population proportion of customers who arecompletely satisfied is different from 0.24 using the p-valueapproach and a 0.05 level of significance. C.
