Pomts sh . ow all we an Lt P ' be glv Ofyour y Credit lease en art . WOr for only on . p ml cred" When k While Workln r mill:at sucs'mn Eacheqaiiness'yer Per Cluesnon. ac question 'On IS wom' 3 Ct answers can 8 State The Interval fillg. cragtttents are true? . - is I' . The Interval X t1.96.a! Jfl . andom' while its width is not random is r . . andom, while its Width is not random. The interv f + '5 IS not random, while its width is random a b c The interval 531196. cr! Vr IS not random, while its width is d n random. e nts are true. None of the above stateme a. D b U::raease the a level for computing the interval one-Sided interval as these are always narrow than 2 sided intervals fi. SICI'CESC the number of samples and recompute the interval . se t e t-distributlon instead of the normal and this will make things better 3.) {Xtatigue test on 25 samples of a titanium part. The expected number of cycles to crack lmtlatlon lS normally distributed with u=28000, o=5000. What is the standard error of the sample mean? a. 200 b. 500 c. 1000 d. 5000 e. None of the above l.) A jo int Gaussian is made up of thrift; rov rr ' 2 4 and covariance matrixC = 0 9 O