Answered: Select the proper notation and fill in…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

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)

Select the proper notation and fill in the associated value (in two decimal places, not as a percentage) for parts i), ii) and iii) on the relevant branches and nodes below.

i). P(M) =

ii). P(___) = 0.71 P(H | M̄) = 0.21
iii). P(__) = __*0.79

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