A Sample of Two Transistors Taken from a Local Electronics

Multiple Choice

A sample of two transistors taken from a local electronics store was examined to determine whether the transistors were defective (d) or nondefective (n) . What is an appropriate sample space for this experiment? ​

A) {dd, dn, nd}
B) {dd, dn, nd, nn}
C) {dd, nn, nd}
D) {(d,d) , (n,n) }