Question

14. points DEVORESTATO S.E.054, e onsum d he r 27 and add ylist mot 307 on 14 2.67 and 3 s t ond you to four decimale ) Suppose the sent (om) of a randomly w ed men trom a c (a) and of 25 speciated what is the o most 3.00 between 2.67 and 3.00 (1) How large a sample site would be required to ensure that the probability in part (a) is at least 0.997 (Round your answer up to Need Help?

Answer 1

thien That Heam ll -2.67 ; Standard 1:25 ; Mean deviation = 0.74 At nost 3 p123) - plzz ? Dopl**** ]-[2 4 02] . From z table = 0.9861 04/2.67 << <3] - po cze 2-2) = P(Z <2.2] -P[zao = 0.9861–0.5 = 0.4861 P[21673X23) = 0.4861 b) PIX? 3) -0.99 z Value at P-0.99 is 2.326 1 2326 z = x-ll onra No. *xo 2.326 x0.75 - 1.3-2.67 : 5.286 no 5.286? 27.94 28