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QNHH'; iii ? A . b ssume that the h'elghisagifgmillgsngineers are norma-fly distributed. A random sample '3 9' 0 ' ' .--------.--..... fzo female engmeers
""QNHH'; iii" ? A . b ssume that the h'elghisagifgmillgsngineers are norma-fly distributed. A random sample '3 9' 0 ' ' ".--------.--..... fzo female engmeers have a mean helght of 62.5 inches and a standard deviation of 1.4 if!" . 7 s mChes' Cortu'C a 98% confidence interval for the population variance, fi". Hi I, P L- x L" "k '(5' c X) .// . x : ' 'v / ''''' X r} H; fi ' x ' i Cvx;'*:"x Cf Can't 'C y-Q-r'pz' ' iv '* ' ' "" had me. GX tx dre/"fl" '3' 2, In a random sample of 60 dog owners enrolled in obedience training, it was determined that the mean amount of money spent per owner was Mi? 33 per class. Assuming the Sample Standard deYlatlon Of the amount Spent {JET OWI'mr is 5:31'2, cmretmct and interpret a 95% confidence Interval for the mean amount spent pe; (mgm; mr an obedience class. '7 I'M"? :.: I f . % X : MJ": "gm: 'k w) 4) fi if. I'M nm a /- ky l f fi if A hx: g A ,"Hunan umm ba; 7' "'ax- : ' My" Sy; w, fianna" '* IF We selected cities are listed? I' tandard deviation, 0. mme tion (in inches) for 10 randomly onfidence interval for the population 8 Q The June precipita Construct a 90% c a A survey of 1010 college seniors working towards an under radiant? d " . =- 74 >y eoreew Ui. EaCh fmdent Was aSked, "Are yOu planning or got planningoto purassue a V ' ' flaw he gigi?" (grist? gino gorzeyed, 658 stated that they were planning to pursue a j ' / k ' u all m el'll'l'e'c a 98% confidence interval ' ' A 1 figmors who are planning to pursue a graduate degree. for the proportion of ' s "3 ' "1 f" r l .' 'f 2 fi, 0 53 am
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