Question

score! 0.5 of 1 pt % 7.2.19 10 of 28 (12 complete) HW Score: 30.48%, 8.53 of 28 Find the critical value(s) for a left-tailed z test with a 0.07. Include a graph with your answer (Round to two decimal places as needed. Use a comma to separate answers as needed) Draw a graph of the rejection region. Choose the correct graph below. ОА. OB. OD Os Question Viewer Click to select your answer and then click Check Answer All parts showing Question 25 (0/1) Question 26 (1) Question 27 (0/1) Question 2010/11

Answer 1

The critical values of the left tailed test (this is a one sided test) with $\alpha =0.07$ is

$z_c=-z_{1-\alpha}\\ z_c=-\Phi ^{-1}(1-\alpha)\\ z_c=-\Phi ^{-1}(1-0.07)\\ z_c=-\Phi ^{-1}(0.93)\\ z_c=-1.475791\\ {\color{Blue} z_c=-1.48}$

The standard normal table can be looked up as below.

Standard Normal Probabilities Standard Normal Probabilities Table entry for is the area under the standard normal curve to the left of Table entry for is the area under the standard normal curve to the left of 3 D . .oo .g1 .o. . .o .os .05 .07 .os .og -34 .003 .003 .000 .000 .000 000 dj do0 .00 -13 .0005 0005 .0005 OAD 04 AH - 002 07 OUD 00 ) 000 .000 .005 .0005 .000$ 0000000 0005 .0009 2007 DT 0013. IDOL 012 017 001 o n 10 .001 .0019 0015 C ) 6 Ounis4 .D014 .006 02 0024 O 2000 0019 .003s 003 .0013 002 001 128 002 0026 .DIO .004 .00 043 ODAI DOH) 09 0 06 25 .0062 0060 .0059 S OS D0 0 0S2 | LIM9 .008. -24 .0002 HD 007 007 7 006 008 006 .00 -2.3.010701040101 0099 .0006 .004 .00% 1 0099 87 .004 -22.0139 0136 13 .0129 .0125 .0122 ,019 .0116 .0113 ,010 -z1 .0179 0174 .017 .01 .01.2 018 .01 .0150 0146 ,014] =002H 2 017 22 020 202 09/ 0I920IBE 083 -10 .027 281 024 068 0262 03 0 2 09 023 -1. 8 0159 0510 0336 02 03 04 01 0301 02 -1.7 .0M6 6D M18 MOMOT 2 S -6080556 $ 100 $ /M 04 - 06E 060 .630 .01 .060 .05 .0582 ,0571 .059 = = E 0E 07 09 07 0 4 0A -12 sd 601 ORAS OR69 0853 ORSR 03 2.11511 095 107 .10 .1038 .102 .100 .0SS -1.1 .13 SD4 21070 -1.0 .157 .1561 5 9 isis I9II A+015 4141 145 I II ISIS ou - Donn 7 D 148 .6 .3 709 2676 2 ] 26112 Sl4A4832451 318 3150 ht A321D26 09 6 00 MAO E! 745 07 22 A166 41 4090 0.1 .4602 AS 42 .48543 DEAS 42 447 0.0.500 260,4020 ,4680480 481 471,41.4681 .41 4 oooooo As Mo 09. sp susoggia i60 9 9 9 359 ៦. 396 45 $1 ES 14 3 017 58 5110 A4 98726 DA MIA ០3 172 164061 4865 1.4 65 65916 8 FA 0 16 680 8 6879 0 6915 590 6985 2019 0A 088 71 77 719 124 ០. 914 B 389 H171 A A A 78 TH 0. 878819107039 79 %95 Ho BIS. B078 510 113 0.9 .15981 .82122 P24 2895 B0B365 3389 1 .41] BAB A A HOW HTBS B Bs9. H 1.1 .BABES 8686 70 MATHEME ANDo .B849BE9 8888 L s HANGEQg 9015 902909066 02 90% ១ . ១ ១ .912 ១ 19929 s N92006 19 15 9418 91 1. 5423 94 A A 995 9S 9535 .94 194 94 951 952 91 S 06.S O6 1.A. A. #A នា O ទៅ? 19 92 A 97 97 97 9761 97 ១ ១ .983 7 N 004 012 9817 1 . AA 9838 2 4 94 94 99 386138496 087 OBS H7 #1 0 6887 980 E959E - - 4 OK 9916 s 1 A 96 38 3 9A1 AS A 9 . 992 p $ 1. 34 65 7 93 94 ក 9 T 979 280 991 9. 12 92 A A ១- s = 3 . s 9289 9 1 91. 1 2. 2992993 993 3 993 9 999 A A A 9995995 999 ss was A .១ .99 $ 99 97 9998 | ៖ះ ជ ៣១ ធជនខ្លះ ោះ នន E - a | g

The correct graph representing the area (0.07) is (B).