Question

5. The following cross-tabulation table displays a profile of student at a university Type In Dorm Full Time Part Time Do not Work Total 19 22 20 61 Not in Dorm Total 25 5 39 44 31 25 100 We define the following events: I = "In Dorm" is selected N"Not in Dorm" is selected F = the person selected is under "Full Time" P the person selected is under "Part Time" D the person selected is under "Do not Work Find the P(I) (3 points) f. Find the P(N and F) (3 points) a. Find the P(N) (3 points) b. g. Find the P(I and P) (3 points) Find the P(F) (3 points) C. h. Find the P(I or F) (3 points) Find the P(P) (3 points) d. i. Find the P(N or P) (3 points) Find the P(D) (3 points) . Find the P(I | F) (3 points) e.

Answer 1

otlaoing Crose fabulalo Anu Given hat the daplas a f able Chivgty tudent at a pe DDem Part tme Dost woakdl Full tome 61 19 22 g9 Not in Doim Totel 3 1 1oo ue detin the followng events &elected faelected the peson Selected i cunder fatineg selected cndes Ca candes I Dom Not DSm f Rast tme Do not wosk U fhe pess on D. the peson elecbed Censides fom the table Now P(2) O 6 Coo wtatal) PCa) 61 O 29 . 39 ********* 100 ntotal) Sunday 30 Notes: PCN) 0.39

UTMON win Plus m (F) 0 100 PIF) neP) tuta) TPCP) P (P) O3 O-3 CD) ntotal) 25 PCD)= O 25 .(00 25 n(N and F) mctotal) P(At and F) O.25 PCN and 0.25 nand P Ctotal P(and P) 2 2 O 22 100 022 P ( and PCIU)P)+P- p (In nt) ltetal) Notes November '18 RE) 5 12 19 26 Mon (u CE)n (In total) 27 6 13 Tue 21 28 7 14 Wed 22 29 19 1 Thu n Cr) 23 30 Fri 2 9 16 24 10 17 Sat ctotal) 4 11 18 25 Sun

19 O 8-6 lob 100 fO-84 P(N P) PIN) PCP) ntnp) ttolal) f Y ntotal) (ru .. n C)tn)nNOP m total) PNor P) -29 31 . .. . . O. ..... foo o.6 P(F) Condtiona Po babolay PLTMF) PIF) Ctotat) m[EnF) 19 Notes: October '18 Mon 1 8 15 22 29 Tue 2 9 16 23 30 Wed 3 10 17 24 31 3) Thu 11 18 25 Fri 12 19 26 Sat 13 20 27 6 Sun 7 14 21 28