Task: Question Answering
Input (English): Problem: a shipment of 240 smartphones contains 84 that are defective. if a customer buys two smartphones at random from the shipment, what is the approximate probability that both phones are defective ?
Options: a. 1 / 250, b. 9 / 74, c. 1 / 11, d. 1 / 9, e. 1 / 3
Output (English): b