Do Homework-Neil Garity JR-Google Chrome Soure https://www.mathalcor Student Pla

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Do Homework-Neil Garity JR-Google Chrome Soure https://www.mathalcor Student PlayerHomeworkaspr?home workid-483483239&questionld-18flushed;: als &cld;:5014643&centerainsyes; Su18 Math M118 MTWR 1:00-2:35 (Section 9321) Nell Garity UR&1 5/30/18 5:36 PM Homework: HW #43 Score: 0 of 1 pt 3 Instructor-created question An untair coin with PMHI 07 is 1pped If the fip rosults in a head, a marble is solacted at random from a un contaning Sree red and seven blue martes Otherwise Save 4 of 9 (7 complete) ? HW Score: 44.44%, 4 of 9 p Question Help a marble is selected from a different urn containing theee red and fwe blue marbles If the selecled marble selocted is red, what is the probablity that the fip resulted in a head? ?rnecessary, round your answnrro4dcindplaces

Explanation / Answer

Hi,

P(A|B) = P(A and B) / P(B)

A is the event we get head
B is the event we get a red marble
P(A and B) = 0.7* 3/10 = 0.21
P(B) = 3/10 + 3/8 =0.675
P(A|B) = 0.21 / (0.675) =0.3111
Thumbs up if this was helpful, otherwise let me know in comments

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