Question

need help with E-H please

Areas under the normal curve, O to z Table A 07 05 08 03 FA ES % & 2 コ 3a2コ 00 3a833 3333 22p Using samples of 198 credit card statements, an auditor found the following: Use Table-A Banple Number with errora 1 4 4 7 a. Determine the fraction defective in each sample. (Round your answers to 4 decimal places.) Sample Fraction defective 00251 2 002021 00354 b.lf the true fraction defective for this process is unknown, what is your estimate of it? (Round your answer to1 decimal place. Omit the "% " sign in your response.) Estimate 30 % c. What is your estimate of the mean and standard deviation of the sampling distribution of fractions defective for samples of this size? (Round your intermediate calculations and final answers to 4 decimal places) Mean 00122 Standard deiation d.What control limits would give an alpha risk of 03 for this process? (Round your intermediate calculations to 4 decimal places Round your "" value to 2 decimal places and other answers to 4 decimal places.) z 2 :00 to6056 e.What alpha risk would control limits of 0470 and 0136 provide? (Round your intermediate calculations to 4 decimal places. Round your "z" value to 2 decimal places and "alpha risk" value to 4 decimal places.) z- 7. alpha risk Prev 1 of 1 Next MacBook Pro % 2 3 4 5 P E R K S G N C V F Mean Standard deviation d.What control limits would give an alpha risk of 03 for this process? (Round your intermediate calculations to 4 decimal places. Round your "2" value to 2 decimal places and other answers to 4 decimal places.) z 2) o007 toco e.What alpha risk would control limits of 0470 and .0136 provide? (Round your intermediate calculations to 4 decimal places. Round your "" value to 2 decimal places and "alpha risk" value to 4 decimal places.) 1. alpha risk z tUsing control imits of .0470 and 0136, is the process in control? ves Ono g.Suppose that the long-term fraction defective of the process is known to be 2 percent. What are the values of the mean and standard deviation of the sampling distribution? (Round your intermediate calculations and final answers to 2 decimal places) Nean Standard deviation h.Construct a control chart for the process, assuming a fraction defective of 2 percent, using two-sigma control limits. Is the process in control? O Yes O No 1 of 1 Prev Next X MacBook PrO 20 6 4 2 3 T R W E > V X Z option command command

Answer 1

USihg Samfles of (^» coiedit caJid. The ieguined infrmation is Jivenby Sample i+ Numbe with Eias of imits e) what ould Contsol alrha Snisk and O d36 0.0303 0 -o470 O. o1a -O ol6 O ol a -I.3 O.o136 0.0303 O.O12Q - o. ol6 o.0l2 Z Probability f Noc alrha jsk |3 0:0855 -(.3 (- NORTMDI ST (-. 3 1- 0.0853) (Lhib o

alpha Jisk 1-8214 .8214 o.o855 and alpha nisk FUSihg contoral ^imits of 0 ol470 amd o o136 is the Poocess in Contonal as all the fiaction defech imits Cont al lie Awsaeen No, the foioces the Contoral do not Ve Valuts - 3) Nocs t find the meam mean (oo 0.02 mmean Nou to find the standaid deviation standand deviation tteone oo2 (2o-0-リで。 (98 0-0 O-0 Xo.98 0.019 18

P V 0.00 Stamdaid devjation 0 00 h) Nocs to Constouct a Cotonal hat f the Pio ceps Z Value fa sigma ontjial defetive Poption o.o09 stamdad deviation , , NoG to find the UcL 0-62t x 0-009) 810 O o. o O.038 Noo to fihd the LCL LCL -ZxP (2 y o 00) o.02o o18 LCL tene Sample Size(n) o.00 -98

entJal chat UCL 0.038 0-0400 0.0350 0 0300 O 0250 O.0a00 0.01S0 O O100 O-00 SO 0.0000 3 Sarmple umben since defedtive is above statistialy in ont a orect answer the Pooces s not tmce the "option-& is the in Contal Statistially Ansae No because ot