Solve the following:
Q1: The Canadian Services office did a survey of 150 travelers in which they asked if the traveler's first language was French or English. Another question asked was whether the traveler was Canadian born. The results follow.
|
|
Canadian
|
Not-Canadian
|
Raw Totals
|
|
English
|
15
|
50
|
|
65
|
|
French
|
65
|
20
|
|
85
|
|
Column Totals
|
80
|
70
|
|
150
|
Q2: If a traveler is selected at random (from this group of 150 travelers), find the probability that
P(The traveler is not Canadian and speaks French as the first language.)
20/85
20/70
0.135
20/150
Q3: The Canadian Services office did a survey of 150 travelers in which they asked if the traveler's first language was French or English. Another question asked was whether the traveler was Canadian born. The results follow.
|
|
Canadian
|
Not-Canadian
|
Raw Totals
|
|
English
|
15
|
50
|
|
65
|
|
French
|
65
|
20
|
|
85
|
|
Column Totals
|
80
|
70
|
|
150
|
If a traveler is selected at random (from this group of 150 travelers), find the probability that P(The traveler is not Canadian, given that the first language is French.)
7/15
8/15
13/30
4/17