QUESTION1 The quality assurance department at a hospital has as ene of its respo
ID: 3048673 • Letter: Q
Question
QUESTION1 The quality assurance department at a hospital has as ene of its responsibilties the verifcation of mecical records One of the departments emplayees samples medical records and checks each one for correctness. Hestoral data s trts that e h medcal record has ad84 pr ablty of bere correct. Suppose the emp oyee begr s checking medical records ac some pontin time. what is the probability that the 5th incorrect record is the 12th record checked? (Reporf answer t me doma, paces Ame must be wthn 000, oared val.) QUESTION 2 10 points The quality assurance department at a hospital hars as one of its responsibilties the verfication of medical reconds One of the departments employees samples medical recoeds and checks each one for correctness. Historical data sugpests that each medical record has a0.34 probablity of being correct, Suppose the employee begins checking medical records at some point in what is the probabaity that the 3rd incorrect record is the 30th record checked? (Reporserb hiedeoniaa. Ansar mut be aandeei QUESTION3 10 paints The qualty assurance department at a hospital has as one of its resporsibilities the verification of medical records. One o the departments employees samples medcal recordk and checks each one for correctness Historical data supgests that each medical record has a 0.84 probablity of being correct. Suppose the employee begins checking medical records at some point in on average, how many records will have been checked when the first incorect record is found? (Report answer to tree decimal places Answer s be win 0 00 of eonec vale) QUESTION 4 0 points The quality assurance department at a hospital has as one of its responsubilities the verification of medical records One of the departments employees samplies medical recovds and checks siceests that each medcal recoed has a 0.84 probability of being corresct Suppose the employee begins checking medical records at some point in Givem that Report anwer to Pree decimal places Asawer must be wtin 0 00t of cormect t the 4th incorrect r record is the 104th record checkedt what is the expected number of recerds checked until the 12th incorrect recard is found?(Explanation / Answer
Solution:-
3) On average, 6.25 records have been checked when the first incorrect record is found.
P(Incorrrect) = 1 - 0.84 = 0.16
Number of records have been checked when the first incorrect record is found = 1 / 0.16 = 6.25