B https://www.mathxd.com/Student/PlayerHo onld Math 201-008 Busi 230-008 F18 McG
ID: 3073898 • Letter: B
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B https://www.mathxd.com/Student/PlayerHo onld Math 201-008 Busi 230-008 F18 McGowan Beksiftu Makonnen Butta l 9/25/18 10:00 PM Homework: Week 4 - HW 3.3, 3.4, and 4.1 Score: 0 of 1 pt 260143 (41 HW Score: 71.74%, 33 of 46 pts 3.4.37-T Assigned Media Question Help * An environmental agency is analyzing water samples from 78 lakes for pollution. Five of the lakes have dangerously selected from the sample. Using technology, how many ways could one polluted lake and five non-polluted lakes be chosen? to select the lakes (Round to four decimal places as needed.) Enter your answer in the answer box and then click Check Answer All parts showing Clear AllExplanation / Answer
3.4.37
Total laks = 78
High levels of dioxin/Polluted lakes = 5
Non polluted lakes = 73 (78-5)
6 Chosen lakes
such that 5 are non polluted ,ways =>73 C 5
1 is polluted , ways = >5C1 = 5
Total ways = 5* 73 C 5 = 75101670
3.4.37
Total entries = 14
Person's entries = 3
Total number of combinations of selecting the winning (1st 2nd or 3rd ) Horses
= 14 C 3
Ways to select the person's horses as the winning (1st 2nd or 3rd ) Horses = 1
Probabality = 1 / 14 C 3
= 1/364
= 0.0027
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