Hw4 STAT 201: Normal- x-yl HW4 STAT 201: Normal X Chegg Study I Guided S/X c ww.

Question

Hw4 STAT 201: Normal- x-yl HW4 STAT 201: Normal X Chegg Study I Guided S/X c ww.webassign.net/web/Student/Assignment Responses last?dep-17264004?course-443014635852&target-web;/Student/Assignment Responses/last?dep#17264004& a 4. -6 points My Notes Find the following probabilities for a standard normal random variable Z Note: Round your answers to four decimal places. A) PIZ s-2.19) B) P(Z>0.21) C) P(-0.30 sZ 0.36) D) P(Z 2 -0.60) E) P(Z s 1.26) F) P-1.62 s Z s0.60) Submit Assignment Save Assignment Progress Home My Assignments Extension Requesf WebAssgri8 4,0 1997-2017 Advanced Instructional Systems, Inc. All rights reserved. Type here to search 9/28/2017

Explanation / Answer

a) Use Excel function

NORMSDIST(-2.19)

= 0.0143

b) Use Excel function

1-NORMSDIST(0.21)

= 0.4168

c) Use Excel function

NORMSDIST(0.36)-NORMSDIST(-0.3)

= 0.2585

d) Use Excel function

1-NORMSDIST(-0.6)

= 0.7257

e Use Excel function

NORMSDIST(1.26)

= 0.8962

f) Use Excel function

NORMSDIST(0.6)-NORMSDIST(-1.62)

= 0.6731

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