78% of S·Ambrose students completed a\"coro curiodu.\" nh gh school. 14% of stud

Question

78% of S·Ambrose students completed a"coro curiodu." nh gh school. 14% of students who complete a core emelum in high school potom St. lebose 33% of students who donot complete a core curriculum inhigh school drop outhom St Ambos 10. To the nearest hundrede, whan the probableyarandornly selected studen drops out hom St. Andrew? (1 a)0.14 b 018 c)022 d)024 .1033 042 11. Given a student has dropped o t from St Ambrose, what's the probabiltythe studert dd compin.. cor curriculum in high schoolt Cincle the answer rounded so the neanest hundecth )0.1433040 060 0670200.8 Use this information to arawer questions 12-13 In 2011, 500 St.Amibrose shudents responded to an online survey about their drinking habits The sunvey found *25% of students dam to have engaged in ghrsk drinking behaviors" in the past two weeks +40% ol students who engaged n Ngh na dnking behavon are atNetet rest an nenabletes ·Drnking behaviors and partiopwon in athletics ae independent This infomation can be diaplayed in this (parbially completed) 22 table Engage inhigh risk dinking behaviers 125 De NOT engaged in Nigh risk drinking behaviers 375 12 what number should appear ithe cell markearml? hother words, how many "hirte, do engage in hgh- risk drinking behaviors? ) 150 225 9)37 b) S0 c) 75 el 200 13.Suppose these revults hoild for the 480 fheshmen who came to St. Ambrose this year That would mean 120 beshment25%) engage ", higheisk drirking behavors and 360 (75%} do no 120 beshrnen ate randomly assigned to a class, whats the probability that elais will have no mare than ore Cero or one)freshman whe engage n hHigh-risk drinking? Circle the answer, rounded to the neanest hundredth )0.0002 07 d0.25 0.5690229

Explanation / Answer

Q 10 P(Dropout) =P(complete and dropout)+P(doesnot complete and dropout) = 0.14+0.33 =0.47

P(Dropout) =0.47

Q 11) P(Desnot Complete|dropout) = P(Doesnot complete and Deopout) / P(dropout) = 0.33/0.47 = 0.70

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