Tutorial 6 - - " B NGM2032, A pplied Probability and...

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- " BNGM2032, Applied Probability and Statistics Winter20ro "Thtorial problems - Assignment 6 " " 1,\ Thp l1fpohTl1:p "f '.l ;1-,. ..111 hit "C"~r1 ~rt <: l I"orl~';~ . . . . . . . . . ~ . . . +..... +.. . -=_. .-- __-""' . . . . . . . . "": ;,., . . _4-.:~l' __ .-l'.! . . . . . . . . . :L __ . . _...l . . . . . r_~_ · _, . ___ -.: .-. . . ____ . . . . . . . . . . : _ . . . ~ ....................................... \..:". . . ~ .lU lAo . . . '-'.l.\. u. .&. .U ..LL.1.CL.1J.u. .1.a."-:'LUJ.iU5 pl.V . . . C\:)\:) 1.>: » CAl!VllGULH1l.1,Y L!-l;::)UIUULCU with melln 6 months. " ,a) What is the probability that a drill bit will last less than 4 months? h) 0n<-» a drriU ' bit h~s f~;l»d (i» 'S foun d1-n; th p Aner~tAr nAt to cai-icfy the rp"pr-<-tt'"p l'nrh~"t-ri~ 1 - ""-:': . .... ,"" -':0 . . .. . ................. ""'-. ....................... ,.... . . . . <JJ . .... , . . . . ,t' . . L.'""'". .. . , ................. U ~~ .............. _u . . . . . . . .,v . . . . - . . . . . . . . . . . ~ standards), it is replaced by a new one of the same type, and so on. Assuming that the lifetimes of the drill bits are independerit, ai).d that a new drill bit was installed today, what is the probability that less than 2 drill bits will fail within the next 10 months? c) If a new drill bit was installed today, what is the probability that it takes more than 2 years OOtil the third drill bit win have to be installed? " " "2) . It is suggested that the, amount of juice contained in a bottle is normally distributed with the mean 250 mI.
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This note was uploaded on 02/24/2010 for the course ENGM 2032 taught by Professor Yao during the Spring '10 term at Dalhousie.

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Tutorial 6 - - " B NGM2032, A pplied Probability and...

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