Sunnoso that DI t M M 0.9968 What is a good estimate

College Algebra (MindTap Course List)
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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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Suppose that P(-2₁ <=< z₁) 0.9968. What is a good estimate for z₁?
Transcribed Image Text:Suppose that P(-2₁ <=< z₁) 0.9968. What is a good estimate for z₁?
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