Final Exam-CRU 4325 jRead-Onlyl-Word ut References Malys Review View Endlotex7 A

Question

Final Exam-CRU 4325 jRead-Onlyl-Word ut References Malys Review View Endlotex7 Autodesk Tel mewhat you wont to dL Norma 1No Spac.. Heading1 Heding2 Tea ona Paragraph Styles Question 3. (10 points) One of Dr. Z's favorite things to do in his spare time is watch the fountains at the Bellagio. He also aspires to one day own his own casino. Today, that dream came true. Except, one of the financial partners has been making not-so-kosher deals with some of the table manufacturers Dr. Z suspects that the some of the roulette tables have been rigged in favor of the casino. Dr. Z is worried that his gambling license will be suspended / revoked. To combat the problem, he has asked you, the chief of police of Las Vegas, to help him identify some of the gaming tables that are suspected to be tampered Normally, each value on a roulette would have an equal probability of occurring and each color would have a probability of occurring equal the number of each color divided by the total number of spaces. If wheels are true and balanced, we should see no association between color and table. On blackboard, download the text file with the roulette table data Test to see if this is true, that indeed there is no association. Based on your findings what can you say about the 3 roulette tables? What do you recommend Dr. Z do based on your findings? Red,88,102 10 Black,102117A10 Green,10.11

Explanation / Answer

solution:

H0:there is significant association between table and colors.

H1: there is no significant association between table and colors.

observed contengency table is given.

now, expected contengency table is calculated as (corresponding row total*corr. column total/grand total)

and chi squ=(obs-exp)^2/exp at 0.05 LOS.

chi sguare statistics=57.82 and p value=0.00001<0.05.

there is enough evidence to reject the null hypothesis.

hence. there is no significant association between table and colors.

i reccomanded to Dr Z that they have to select any random table withou any tension.

one two three red 71.68(3.71) 88.44(4.64) 45.88(28.06) black 117.92(2.15) 135.61(2.55) 75.47(15.80) green 10.39(0.01) 11.95(0.08) 6.65(0.27)

Related Questions

Navigate

• Browse (All)
• Browse F
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.