Pick an item


a)

John has 8 marbles in his pocket, 5 are red and 3 are blue. If John pulls one marble out of his pocket what is the probability that it is blue?
  
(A)   \(1 \over 8\)          (B)   \(3 \over 8\)          (C)   \(3 \over 5\)          (D)   \(5 \over 8\)
 
(E)   None of these. The probability it is blue is __________.

b)

A kitchen drawer contains 4 steak knives and 6 table knives. If one knife is taken from the drawer, what is the chance that it is a table knife?
   
(A)   \(1 \over 10\)          (B)   \(1 \over 6\)          (C)   \(2 \over 5\)          (D)   \(3 \over 5\)
 
(E)   None of these. The chance that it is a table knife is __________.

c) 

Mere has 6 textbooks in her bag: 2 are mathematics books, one is a social studies book and the rest are English books. She takes out one book at random. What is the probability that it is an English book?
  
(A)   \(1 \over 6\)          (B)   \(1 \over 4\)          (C)   \(1 \over 3\)          (D)   \(1 \over 2\)
 
(E)   None of these. The probability it is an English book is __________.