(a) X~N(62,81),P(55

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
ChapterP: Prologue: Calculator Arithmetic
Section: Chapter Questions
Problem 10SBE
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pls help me do this the answer for this is: a) 66.5 b) 20.196
Contoh/Example
(a) X~N(62,81), P(55<X<k)=0.4731
(b) X~N(k, 16), P(X< 22)=0.6741
X~ N(22, 4), P(X< k) = 0.8759
(z)f
0.8759
Z4
10
u = 22, o= 2, P(X<k) = 0.8759
k-22
= 0.8759
2
P{Z<k=22)-0.8759
= 0.8759
k- 22
2
k= 22 + 2(1.155)
= 24.31
1.155
Transcribed Image Text:Contoh/Example (a) X~N(62,81), P(55<X<k)=0.4731 (b) X~N(k, 16), P(X< 22)=0.6741 X~ N(22, 4), P(X< k) = 0.8759 (z)f 0.8759 Z4 10 u = 22, o= 2, P(X<k) = 0.8759 k-22 = 0.8759 2 P{Z<k=22)-0.8759 = 0.8759 k- 22 2 k= 22 + 2(1.155) = 24.31 1.155
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