Theresa is taking a multiple-choice test and does not know an answer. she can guess answer a, b, c, d, or e. wht is the probability that theresa will guess correctly? incorrectly?

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2