Question

This Test: 276 pts poss 46 of 50 (17 complete) his Question: 20 pts A forester measured 22 of the trees in a large woods that is up for sale. He found a mean dameter of 10.7 inches and a standard deviation of 44 inches Suppose that hese trees provide an aocurate description of the whole forest and that Noremal model applies a) Choose the correct Normal model for tree 6ameters De not round. Type intngers or decimalt) e) About wha peroent of the os hould have dameters below 1.9nhs Using te (Do not round. Type an integer or a decimal d] About what percent of the trees shold have dameters betoen 19 5 and 23.9 inches Using the 6-96-99 7 rue,bouo the troes should heve diamters berwee 19.5 and 23 9 inches Cick to select your aeswarts

Answer 1

Given a) G 93·ニー191 and 196 1S1 S. D 10.9 t11-76 x 4.4) 10 จ t g.ay > (3 R 'i9.32y

Leth, 1-7 า.rk.. 1-61羽2 622 g 2L3)-p P2 8-8 ? 22)