Question

S 3. A recent survey was conducted concerning education level and job placement of 1030 workers. Using the following data, calculate the number of workers who meet the listed criteria. Factory Worker (F) Salesperson (S) Technical Worker (T) TOTAL High School Graduate (H) 100 70 80 250 Some College (C) 145 80 195 420 Some College (C) 200 80 80 360 445 230 355 1030 TOTAL Number who are salespersons and have some college education. a. b. n(FU G) n(T H) c. d. n(HUC) Number who are technical workers or salespersons and have graduated high school or attended some college. e. Number who are high school graduates or have attended some college. f. gn(S T) 3. A recent survey was conducted concening education level and job placement of 1030 workers. Using the following data, calculate the number of workers who meet the listed criteria. TOTAL Factory Worker (F) Salesperson (S) Technical Worker (T) High School Graduate (H) 250 80 70 100 420 195 80 145 Some College (C) 360 80 80 200 Some College (C) 1030 355 230 445 TOTAL Number who are salespersons and have some college education. a. b. n(FG) c. n(TnH) d. n(HC) e. Number who are technical workers or salespersons and have graduated high school or attended some college. college. high school graduates or have attended some f. Number who are g. n(Sn T) 8

Answer 1

Note Since 2nd and third rows are same name i.e. "Some College(C)" so, I think last row should be "Graduate (G)" a. No. who salesper sons and have some b. n(FUG) n(F)n(G) n(Fn G) c. n(Tn H) 80 d. n(HUC) n(H)n(C) n(HnC) 250420 (since n(HnC) 0) college education 80 445 360 200 605 =670 e. No. who are technical workers or salespers college high school graduates sons and have graduated high 8080195 +80 435 school attended some or f. Number who are or have attended some college = 250 + 420 -670 g. n(SnT) 0