Answer:
The probability that a selected tourist will be Australian or male is 0.76
Step-by-step explanation:
Given:
Number of Australian men = 15
Number of Australian Women = 23
Number of British men = 27
Number of British Women = 20
To Find:
The probability that a selected tourist will be Australian or male
Solution:
The probability ( Australian or male) = Probability( Australian men) +Probability( Australian Women) +Probability( British men)
The total number of people in the tourist group
=>15 + 23+27+20
=>85 people
Probability( Australian men) =[tex]\frac{15}{85}[/tex]----------------(1)
Probability( Australian Women) = [tex]\frac{23}{85}[/tex] -----------------(2)
Probability( British men) =[tex]\frac{27}{85}[/tex]--------------------(3)
From(1), (2), (3)
The probability ( Australian or male) =[tex]\frac{15}{85} + \frac{23}{85} + \frac{27}{85}[/tex]
The probability ( Australian or male) = [tex]\frac{65}{85}[/tex]
The probability ( Australian or male) = 0.76