Find the Conditional Probability $\mathrm { P } ( \mathrm { B } \mid \mathrm { A } )$

Multiple Choice

Find the conditional probability.
-Suppose one card is selected at random from an ordinary deck of 52 playing cards. Let A = event a queen is selected
B = event a diamond is selected. Determine $\mathrm { P } ( \mathrm { B } \mid \mathrm { A } )$ .

A) $\frac { 1 } { 13 }$
B) $\frac { 1 } { 4 }$
C) $\frac { 1 } { 2 }$
D) $\frac { 1 } { 52 }$