SOLUTION: School canteen offers 4 flavors of sandwich 5 drinks and 3 nuts. 1) Student A can afford to buy one only for his snack.what is the probability he orders a sandwich? 2.) StudentC

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Question 1088604: School canteen offers 4 flavors of sandwich 5 drinks and 3 nuts.
1) Student A can afford to buy one only for his snack.what is the probability he orders a sandwich?
2.) StudentC can afford to buy a combination of two only.what is the probability that she orders a sandwich and a drink?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Assuming everything costs the same, there are 4%2B5%2B3=12 choices, 4 are sandwiches.
P=4%2F12=1%2F3
.
.
The possible choices are
{S,S}
{S,D}
{S,N}
{D,D}
{D,N}
{N,N}
and {S,D} is one of the possible choices.
P=1%2F6