3 Quick Quiz Chapter 4 Sec 4.2 (10 points) S in addition to the amount of rent t

Question

3 Quick Quiz Chapter 4 Sec 4.2 (10 points) S in addition to the amount of rent the 30 DACC students were paying, these same students were 6 asked a few other questions on the survey. They answered as follows 8 Do you own a pet? Yes No Total 30 12 Do you share your apartment or rental house with another person(s)? 13 14 No Total 30 15 16 you have a roommate, what is your biggest complaint? 17 18 They are sloppy (S) 19 They don't help with cleaning (C) 20 They don't pay their rent on time (T) 21 They are too noisy (N 0.13 0.35 0.17 0.08 22 They borrow my stuff without asking permission (8) 1000 24 25 a. What percentage of the students had a pet? 3 points) 28 b. What percentage of the students shared their apartment or rental house? (3 points) 81 c. What is the probability that the student's biggest complaint was that their roommate s2 was sloppy (5)? (2 points) Sheet1 + ead Mac

Explanation / Answer

(a(Percentage of students who had a pet = (22/30)*100 = 73.33%

(b)Percantage of students who shared their apartment or rental house = (19/30)*100 = 63.33%

(c) Probability that the students biggest complaint was that their roommate was sloppy = 0.13

(d) Probability that the students biggest complaint was that their roommate either didn't help with the Cleaning or was too noisy = P(C or N) = P(C) + P(N) =0.35 + 0.08 = 0.43

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