5. Nuclide X decays more quickly than nuclide Y. Based on this information, which of the following statements must be true?(1 point)

a. Nuclide X has a longer half-life than nuclide Y.

b. Nuclide X has a shorter half-life than nuclide Y.
c. Nuclide X has the same half-life as nuclide Y.
d. The decay rate of nuclide X is faster than nuclide Y.
e. The decay rate of nuclide Y is faster than nuclide X.