A shipment contains 20 assembled circuit boards of which five are defective. Ten circuit boards from the shipment are selected without replacement
A) The probability of selecting a defective circuit board is 1/4.
B) The probability of selecting a defective circuit board is 1/2.
C) The probability of selecting a defective circuit board is 1/5.
D) The probability of selecting a defective circuit board is 1/10.