A website reports that 90% of its users are from a certain country. Of the users from the country, one-half log on every day. Of the users from other countries, one-fifth log on every day. Draw a tree for this situation. Why is the tree better than the table in this case? Where are the joint probabilities found? Draw a tree for this situation and round all decimal probabilities to two decimal places as needed. Choose the correct answer below. O A. Country Every day 1/2 0.9 0.1 1/5 Not every day Not country 0.05 Country 0.18 0.9 0.1 0.45 Not country 0.02 Determine why the tree is better than the table in this case. O B. G Country 0.9 ⒸA. A tree is better because the the events described are independent. OB. A tree is better because the events given are disjoint. O C. A tree is better because joint and marginal probabilities are given, not conditional probabilities. O D. A tree is better because conditional and marginal probabilities are given. Every day 0.1 Not country 1/2 1/2 Not every day Every day 1/5 4/5 Not every day 0.45 0.55 0.02 0.98 C. Every day 0.45 1/2 1/2 Country 0.9 Not every day Every day 1/5 4/5 0.1 Not country Not every day 0.45 0.02 0.08
A website reports that 90% of its users are from a certain country. Of the users from the country, one-half log on every day. Of the users from other countries, one-fifth log on every day. Draw a tree for this situation. Why is the tree better than the table in this case? Where are the joint probabilities found? Draw a tree for this situation and round all decimal probabilities to two decimal places as needed. Choose the correct answer below. O A. Country Every day 1/2 0.9 0.1 1/5 Not every day Not country 0.05 Country 0.18 0.9 0.1 0.45 Not country 0.02 Determine why the tree is better than the table in this case. O B. G Country 0.9 ⒸA. A tree is better because the the events described are independent. OB. A tree is better because the events given are disjoint. O C. A tree is better because joint and marginal probabilities are given, not conditional probabilities. O D. A tree is better because conditional and marginal probabilities are given. Every day 0.1 Not country 1/2 1/2 Not every day Every day 1/5 4/5 Not every day 0.45 0.55 0.02 0.98 C. Every day 0.45 1/2 1/2 Country 0.9 Not every day Every day 1/5 4/5 0.1 Not country Not every day 0.45 0.02 0.08
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:A website reports that 90% of its users are from a certain country. Of the users from the country, one-half log on every day. Of the users from other countries, one-fifth log on every day. Draw a tree for this situation. Why is
the tree better than the table in this case? Where are the joint probabilities found?
Draw a tree for this situation and round all decimal probabilities to two decimal places as needed. Choose the correct answer below.
O A.
Country
Every day
1/2
0.9
0.1
1/5
Not every day
Not country 0.05
Country 0.18
0.9
0.1
0.45
Not country
0.02
Determine why the tree is better than the table in this case.
O B.
G
Country
0.9
ⒸA. A tree is better because the the events described are independent.
OB. A tree is better because the events given are disjoint.
O C. A tree is better because joint and marginal probabilities are given, not conditional probabilities.
O D. A tree is better because conditional and marginal probabilities are given.
Every day
0.1
Not country
1/2
1/2
Not every day
Every day
1/5
4/5
Not every day
0.45
0.55
0.02
0.98
C.
Every day 0.45
1/2
1/2
Country
0.9
Not every day
Every day
1/5
4/5
0.1
Not country
Not every day
0.45
0.02
0.08
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