Abank requires a four- digit access code for each account. the access code is generated using the digits 0-9, and the digits can be repeated. what is the probability of an access code “1234”?

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