Among those students identified as having "High Stress Levels", what is the probability that they are a "Night Owl" (round your answer in 2 decimal places, not as a percentage)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 28PPS
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A sample of university students are classified as either being ‘Morning People’ or ‘Night Owls’. They are also classified into categories for their stress levels, either ‘High stress levels’ or ‘Regular stress levels’

In the sample, 47% of the university students are Morning People and the rest are classified as Night Owls.

 

Of the Morning People, 29% have been classified as having High Stress Levels. For the Night Owls,  21% have been classified as having High Stress Levels. 

 

The events of interest are defined as:

  • M for the event "Is a Morning Person"
  • M¯ for the event "Is a Night Owl" (not a morning person)
  • H for the event "High Stress Levels"
  • H¯ for the event "Regular Stress Levels" (not high stress levels)

Among those students identified as having "High Stress Levels", what is the probability that they are a "Night Owl" (round your answer in 2 decimal places, not as a percentage)

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