A website reports that 75% of its users are from outside a certain country and that...
A website reports that 75% of its users are from outside a certain country and that 40% of its users log on every day. Suppose that 11% of its users are users from the country who log on every day. Make a probability table. Why is a table better than a tree here?
Complete the probability table below.
|
From the Country |
Not from the Country |
Total |
|
|---|---|---|---|
|
Log on Every Day |
|||
|
Do Not Log on Every Day |
|||
|
Total |
1.00 |
||
|
(Type integers or decimals.) |
|||
Homework Answers
since
P(not from the country) =0.75
P(from the country) =1-0.75 =0.25
P(log on every day) =0.40
P(do not log on every day) =1-0.40 =0.6
below is probability table:
| from the country | Not from the country | total | |
| every day | 0.11 | 0.29 | 0.4 |
| do not log on every day | 0.14 | 0.46 | 0.6 |
| total | 0.25 | 0.75 | 1 |
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