At a Church parking lot there are 100 vehicle spaces, 60 of which are cars, 30 are vans and the remainder are buses. If every vehicle is equally likely to leave, find the probability of a:
a) van leaving first.
b) bus leaving first.
c) car leaving second if either a bus or van had left first.

• Required Probability=(30/100+10/100)*60/99=24/99 ans
• 10 years agoHelpfull: Yes(11) No(3)
• a)30/100
  b)10/100
  c)60/99
• 10 years agoHelpfull: Yes(8) No(2)
• a) 3/10
  b) 1/10
  c) (30/100)*(60/99) + (10/100)*(60/99) = 8/33
• 10 years agoHelpfull: Yes(6) No(4)
• why multiplying 60/99?
• 10 years agoHelpfull: Yes(2) No(0)