A Magician Has a Coin That May or May Not

Multiple Choice

A magician has a coin that may or may not be fair. The results of 30 flips of the coin are H H T H T H H T H H T H H T H T H H H T T T T T H H H H H T. To determine if the coin is fair using the Wald-Wolfowitz runs test, the competing hypotheses are ________.

A) H₀: Heads and tails do not occur randomly; H_A: Heads and tails occur randomly
B) H₀: Heads and tails occur randomly; H_A: Heads and tails do not occur randomly
C) H₀: Heads and tails occur randomly; H_A: Heads are more likely
D) H₀: Heads and tails occur randomly; H_A: Tails are more likely