a. What is the probability of selecting a random position and inserting the card with the result that the card is inserted correctly? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. The probability is
(Type an integer or a simplified fraction.)
B. This is a trick question. There is not enough information given to determine the answer.
b. What is the probability of randomly selecting the card's position and finding that it is incorrectly inserted on the first attempt, but it is correctly inserted on the second attempt? (Assume that the same position used for the first attempt could also be used for the
second attempt.) Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
O A. The probability is
(Type an integer or a simplified fraction.)
B. This is a trick question. There is not enough information given to determine the answer.
c. How many random selections are required to be absolutely sure that the card works because it is inserted correctly? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. The number of random selections required is
(Type an integer or a simplified fraction.)
B. This is a trick question. There is no finite number of attempts, because it is possible to get the wrong position every time.