A database file hasrecords, which occupy disk storage at a density ofrecords per block. Aupdate modifiespercent of the file and we assume that the upd

A database file hasrecords, which occupy disk storage at a density ofrecords per block. Aupdate modifiespercent of the file and we assume that the updates are distributed uniformly across the records.the system must rewrite any block, which has an update toof the records in the block.Letdenote theassociated with the daily update of records.What is the meanof this distribution? : ______________.Letdenote theassociated with a block of these updated records. The parameters of this distribution, h, r, are?h______________________________________________________ ,______________________________.The probability that an individual block will be rewritten= ________(This isthe symbolin question 2.)Show workLetdenote theassociated with the weekly rewrite of the blocks. What is the meanof this distribution? : _______________Letdenote theassociated with all the blocks in the file. The parameters of this distribution,are (These arethe symbols h, r in question 2.)_______________________________________,_________________________Show work:What is the average number of blocks rewritten= ___________________________Show work