Chrome- Do Homework-Wiktoria Hatala openv Bezpieczna l https//www.matha.com/stud

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Chrome- Do Homework-Wiktoria Hatala openv Bezpieczna l https//www.matha.com/student/PlayerHomework a MAT 120.5598 Viktoria Hatala Homework: Section 7.2 Homework Score: 0 of 1 pt 7.2.5-T 1 of 15 (4 complete) HW Score: 6.6 Quest Determine the area under the standard normal curve that les to the left of ()Z-1.33, (b)Z 169 (e)Z -071, and (d)Z-1.24 Tests lla) The area to the left at Z,1.33s Round to four decimal places as needed ) trvity Enter your answer in the answer box and then cick Check Answer dis Lbrary 9%

Explanation / Answer

Solution:-
7.2.5
a) The area to the left of Z = 1.33 is 0.9082
P ( Z<1.33 )=0.9082
  
b) The area to the left of Z = -1.69 is 0.0455
P ( Z<1.69 )=1P ( Z<1.69 )=10.9545=0.0455

c) The area to the left of Z = -0.71 is 0.2389
P ( Z<0.71 )=1P ( Z<0.71 )=10.7611=0.2389

d) The area to the left of Z = 1.24 is 0.8925
P ( Z<1.24 )=0.8925

7.2.9

a) The area that lies between Z = -0.92 and Z = 0.92 is 0.6424

b) The area that lies between Z = -2.62 and Z = 0 is 0.4956

c) The area that lies between Z = 0.28 and Z = 2.27 is 0.3781

7.2.11

The combined area is 0.0456
= P(Z < -2) + P(Z > 2)
= 0.0228 + 0.0228
= 0.0456

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