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.Since the number of heads and tails are larger than 10, the sampling distribution of the test statistic R can be approximated by the normal distribution. The value of the test statistic is ________.

A) -3.07
B) 14.93
C) 0.3484
D) 3.07