pregnancy length in days for a population of new mothe S. What is the minimum pregnancy length that can be in th What is the maximum preganancy length that can be in th

College Algebra (MindTap Course List)
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Author:R. David Gustafson, Jeff Hughes
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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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The pregnancy length in days for a population of new mothers can be approximated by a normal distribution with a mean of 269 days and a standard deviation of 11
days.
(a) What is the minimum pregnancy length that can be in the top 11% of pregnancy lengths?
(b) What is the maximum pregnancy length that can be in the bottom 6% of pregnancy lengths?
(a) The minimum pregnancy length is
days.
(Round to one decimal place as needed.)
Transcribed Image Text:The pregnancy length in days for a population of new mothers can be approximated by a normal distribution with a mean of 269 days and a standard deviation of 11 days. (a) What is the minimum pregnancy length that can be in the top 11% of pregnancy lengths? (b) What is the maximum pregnancy length that can be in the bottom 6% of pregnancy lengths? (a) The minimum pregnancy length is days. (Round to one decimal place as needed.)
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