Which of the following sampling methods does not lead to probability samples?

The bidder in a takeover generally should take advantage of temporary anonymity to purchase shares of the target before its intentions are publicly known and the target firm's price rises. Such initial purchases establish a _

a. foothold b. leghold c. armhold d. toehold

The potential for a buffer overflow exists anywhere that data is copied or merged into a buffer, where at least some of the data are read from outside the program

Indicate whether the statement is true or false.