could you please help me with this multiple choice questions

Microsoft Word Online- Work together on Word documents satat docx Micn OneDrive Pictures satat Share PAGE LAYOUT REVMEW VIEW Tell me what you want to doOPEN IN WORD 900 cattle are randomly chosen at a food lot to test the average increase in weight the sample indicate that average weight increase is 344 pounds with a standard deviation of pounds. The feedlot manager will not sell the cattle if there is evidence to indicate that the average ease in weight is less than 350 pounds. At a 5% error level: 1-The null and alternative hypothesis is 2-The critical value is: A-1.645 B- 1.960 C- 1.645 D--1.960 ENGLISH PM.jp 8

Solution

1) H0: mu=350 ag H1: mu<350

2) critical value is -1.645