Suppose that you roll two dice and add up their spots. Youroll 100 times. A) The

Question

Suppose that you roll two dice and add up their spots. Youroll 100 times. A) The expected value for the number of 7's is_____ B) The standard error for the number of 7's is_____ Please show how you got the answers, i will rate lifesaver!!!Thank you so much! Suppose that you roll two dice and add up their spots. Youroll 100 times. A) The expected value for the number of 7's is_____ B) The standard error for the number of 7's is_____ Please show how you got the answers, i will rate lifesaver!!!Thank you so much!

Explanation / Answer

7 = { (3,4), (4,3), (2,5), (5,2), (1,6), (6,1) } Probability of getting 7 is 6/36 =1/6 A) Expected value = 100 x 1/6 = 16.67 B) SD = (npq) = (100 x 1/6 x 5/6) = 3.727 Standard error = 3.727/100 = 0.3727 Hope this helps!

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

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