Question

40 B

Answer 1

Page No.: your Date: Find P(Z Z 0.45 z 3 0.45) P (z<0.45 By using z table, Search 0.45 le now headed 2=0.4 & column headed z=0.05 and calculate corresponding value in the body of the table Hence we get 10.05 Z 0.6736 0.4 0.45 0.6736 Hence weget p(z<0.45)=0-6736 p(220:45) = 1- P(220.45) = 1-0-6736 0.3264 ANS : 0.3264 Find P(0.74 24 106) 04872 007 106 Rute : plaszęb) =P (256) - P(2{a) p(0.74 2¢16) =P (2516) -P (2<027

Pago No.: yound YOUVA Dato: By using a table, calculate p (25106) z 10.00 Plz5106) = 0.9452 16 10.9452 calculate Z --0-00 p(2507) P (z 50.7) = 0.7580 0.7580 Therefore, P(0.7 52 51•6) = P(2516) - P(ZC0.7 0.9452 - 0. 7586 0.1872 = ANS : O. 1872 C Find : -0.09 using z table search 0.09 Or closer value in the body of the table where all 4 decimal values are present. Hence we get o.ogol is closer to o.og 10.04 Z -1.3 >o ogol Hence we get corresponding z values - 1.3 -1.34 are & 0.04

Hence we get -1.34 ANS : Zooa - 1.34 @ Find the z score area Q) = 0.18 7 0.18 2=9 Osing 2 table search 0.18 or closer value in the body of the table where all 4 deeimal values are present Hence we get o. 1788 is closer to Hence we get corresponding row & Column headed z values are -0.9 & 0002 Therefore, /2= -0.92 ANS : Za -0.92 @ Find the value of a such that P (-2 szisz) = 0.5 0.25 0.25 0.5 z

Date: youra using z table, search 0.25 or closer Value, Hence we get 2= -0.67 By rule of symmetry, we get z=0.67 -2=-0.67 z=0.67 ANS : P(-0.6 -0.67 5Z < 0.67) = 0.5