Please help

Last year a company received 50 complaints concerning carpet installation. The data in the accompanying table represents the number of days between the receipt of a complaint and the resolution of the complaint. Complete parts (a) through (d). Click the icon to view the data table. a. The supervisor claims that the mean number of days between the receipt of a complaint and the resolution of the complaint is 20 days. At the 0.10 level of significance, is there evidence that the claim is not true (that is, that the mean number of days is different from 20)? State the null and alternative hypotheses. Ho: H = Hy : H - X Data table Days between receipt and resolution of complaint 125 85 11 24 12 13 29 Print Done Get more help - Check answer View an example Clear all