Preview File Edit View Go Tools Window Help E, .] o riz :-) 25% D-Wed 20:55 Matt

Question

Preview File Edit View Go Tools Window Help E, .] o riz :-) 25% D-Wed 20:55 Matthew Joseph Reed a 0 Screen Shot 2018-07-25 at 20.55.28 Q Search Screen Shot 2018-07..20.50.30 Quiz: Module 4 Quiz: Textbook Chapter6 Time Remaining: 01 This Question: 10 pts 2 of 10 (0 complete) This Q Screen Shot 2018-07...20.55.28 Scores on a test are normally distributed with a mean of 63.2 and a standard deviation of 11 Eind P8 which separates he bottom 81% from the op 19 Round tow de O A. 73.47 O B. 0.88 OC. 66.60 O D. 0.29 GO Screen Shot 018-07… 20.50.50 Click to select your answer. 201 25 (A

Explanation / Answer

solution:- option A. 73.47
probability of 81 corresponds to a z-value of 0.8779
=> 0.8779 = (X - 63.2) / 11.7
=> X - 63.2 = 0.8779 * 11.7
=> x = 63.2 + 0.8779 * 11.7
=> x = 73.47

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

---

---

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