A box contains 3 bags of corn chips, 3 bags of potato chips, 3 bags of peanuts, and 3 bags of pretzels. One bag is chosen at random.

What is the probability that it is a bag of peanuts?

A. 1/2

B. 1/12

C. 1/4

D. 1/3

Question

A box contains 3 bags of corn chips, 3 bags of potato chips, 3 bags of peanuts, and 3 bags of pretzels. One bag is chosen at random.
 
What is the probability that it is a bag of peanuts?

A. 1/2 

B. 1/12 

C. 1/4 

D. 1/3

lucaz · Answer

you have a total of 12 bags, and 3 of them are bags of peanuts
P(peanuts)=3/12=1/4

lucaz · Answer

ideia is (what you want) / (all you have)