96% Mon Apr 17 7:29:15 AM Morgan E Chrome File Edit View History Bookmarks Peopl

Question

96% Mon Apr 17 7:29:15 AM Morgan E Chrome File Edit View History Bookmarks People Window Help Do Homework Morgan Babb Secure https www.mathx.com a/Student/PlayerHomework.aspx?homeworklda 418225522&questionld-1; &flushed-false;&clda4393487;&centervin; ayes Morgan Babb & I 4/17/17 7:29 AM Homework: 8-2 MyStatLab: Module Eight Problem Set Save HW ore: 0%, 0 of 65 pts Score 0 of 7 pts 4 of 10 (0 complete E Question Help 12.1.13-T The first significant digit in any number must be 1,2, 3, 4, 5, 6, 7,8, or9. It was discovered that first digits do not occur with equal frequency. Probabilities of occurrence to the first digit in a number are shown in the accompanying table. The probability distribution is now known as Benford's Law. For example, the following distribution represents the first digits in 207 allegedly fraudulent checks written to a bogus company by an employee attempting to embezzle funds from his employer. Complete parts (a) and (b) below. Click the icon to view the tables. i Distribution of First Digits (a) Using the level of significance o 0.05, test whether O A. Ho: The distribution of the first digits in the allege ull data se O B. Ho:The distribution of the first digits in the allege Distribution of first digits (Benford's La O C. None of these 0.125 0.097 Probability 0,301 0.079 0.176 Probability 0.067 0.058 0.051 First digits in allegedly fraudulent checks First digit 1 2 3 4 5 6 7 8 9 Frequency 36 25 28 26 23 36 9 17 7 Done Print Click to select your answer and then click Check Answer. parts Clear All Final Check remaining

Explanation / Answer

from above:

test statistic X2 =59.984

p value=0.0000

please reply for other parts

observed Expected Chi square Probability O E=total*p =(O-E)^2/E 1 0.301 36.00 62.31 11.11 2 0.176 25.00 36.43 3.59 3 0.125 28.00 25.88 0.17 4 0.097 26.00 20.08 1.75 5 0.079 23.00 16.35 2.70 6 0.067 36.00 13.87 35.31 7 0.058 9.00 12.01 0.75 8 0.051 17.00 10.56 3.93 9 0.046 7.00 9.52 0.67 207 207 59.9844

Related Questions

Navigate

• Browse (All)
• Browse 9
• Subjects

---

---

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