5.BETWEEN Z =-0.5 ANDZ 1.15 6.AT MOST Z =-1.98 %3D %3D %3D 8. P(-0.9 0.25)

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.6: Rational Functions
Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.
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ANSWER 5-7

5.BETWEENZ = -0,5 AND Z = 1.15
6.AT MOST Z =-1.98
%3D
7. P(Z > 0.25)
8. P(-0.9 <Z < 0.19)
Transcribed Image Text:5.BETWEENZ = -0,5 AND Z = 1.15 6.AT MOST Z =-1.98 %3D 7. P(Z > 0.25) 8. P(-0.9 <Z < 0.19)
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