Answer:
(a) False. It is completely dependent upon the banks that how much funds they want to keep and how much they want to lend.
(b) False. The federal funds rate also matters to the general public because if there is any changes in these rates then the loans will become expensive or cheaper for the general public.
(c) True. The rate at which federal bank give loans to the commercial banks is known as bank rate.
(d) True. It has an authority and responsibility to set a target for these rates.
(e) True. Federal reserve use these interest rate to control the money supply in an economy.