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 Showing results 1 to 25 of 54 Search took 0.02 seconds. Search: Posts Made By: RobertR1990
 Forum: Probability 09-17-2016, 09:19 PM Replies: 39 Views: 80,059 Posted By RobertR1990 TIA Practice Exam 3 #24 Hello I think I am misunderstanding how to organize the payment structure for this problem. I hope someone could help me out. N= # of Losses ~Poisson(lamda=2.5) Y= Payment Goal : E(Y) I...
 Forum: Probability 09-15-2016, 12:24 PM Replies: 39 Views: 80,059 Posted By RobertR1990 TIA Practice Exam 2 Yes it does MathDoctorG thank you very much.
 Forum: Probability 09-15-2016, 11:27 AM Replies: 39 Views: 80,059 Posted By RobertR1990 TIA Practice Exam 2 Questions Hello. I am wondering if someone could help me out with a few problems such as #4 and #21, #25 respectively on TIA practice exam 2. Q1: For #4 Why is g(x) monotone for f(x)= 2/(pi(1+4x^2))? To...
 Forum: Probability 07-29-2016, 04:48 PM Replies: 1 Views: 698 Posted By RobertR1990 ASM Exam 2 #8 I am wondering if there is another way to find the expected value rather than using tabular integration or integration by parts twice. Here is the problem: A device contains two circuits. The second...
 Forum: Probability 07-29-2016, 02:19 PM Replies: 1 Views: 573 Posted By RobertR1990 SOA 96 Hello I understand the sample solution but, I am trying to figure out the answer using Bernoulli and I am wondering if this approach is valid? This is what I have: X = Cost ~ Bernoulli Goal:...
 11-26-2015, 08:00 PM Replies: 3 Views: 582 Posted By RobertR1990 Thank you same to you also. Thank you same to you also.
 Forum: Probability 09-25-2015, 11:55 PM Replies: 3 Views: 569 Posted By RobertR1990 Thank you. I think I can see the trick now. Thank you. I think I can see the trick now.
 Forum: Probability 09-25-2015, 04:29 PM Replies: 3 Views: 569 Posted By RobertR1990 ASM Exam 9 #20 Let N1 and N2 be two independent Poisson random variables with expected values E(N1)=2 and E(N2)= 3. Find V(N1|N1+N2 = 5). Answer : C 1.2. The issue I am having has to do with simplifying...
 Forum: Probability 09-19-2015, 06:04 PM Replies: 4 Views: 500 Posted By RobertR1990 Thank you. Thank you.
 Forum: Probability 09-19-2015, 06:01 PM Replies: 4 Views: 751 Posted By RobertR1990 OK. I will take your advice on Q1 and Q2. I guess... OK. I will take your advice on Q1 and Q2. I guess I need to study those concepts further. For Q3 I think determining the joint density for X1 and Xn I am struggling with the most. Thank you for your...
 Forum: Probability 09-19-2015, 05:53 PM Replies: 4 Views: 500 Posted By RobertR1990 OK. So this is the same method as using u... OK. So this is the same method as using u substitution?
 Forum: Probability 09-18-2015, 07:59 PM Replies: 4 Views: 751 Posted By RobertR1990 ASM Exam 6 # 21 Let X1,X2,X3,.....,Xn be the order statistics from the uniform distribution on [0,1]. Find the correlation coefficient of X1 and Xn. Answer: 1/n Solution: If X is uniform on [0,1] so is 1-X. ...
 Forum: Probability 09-18-2015, 06:49 PM Replies: 4 Views: 500 Posted By RobertR1990 ASM Exam 6 # 18 You are given that the hazard rate for a random variable X is lamda(x) = 1/2(x)^-1/2 for x > 0 and 0 otherwise. Find the mean of X. Solution: We calculate the survival function of X as e ^(-...
 Forum: Probability 09-16-2015, 12:03 AM Replies: 7 Views: 966 Posted By RobertR1990 Thank you it is much clearer now. Thank you it is much clearer now.
 Forum: Probability 09-15-2015, 06:50 PM Replies: 7 Views: 966 Posted By RobertR1990 ASM exam 6 #11 Let X1, X2, X3, ...., X8 be order statistics from a random sample X1, X2, X3, ...X8 of size 8 from a continuous probability distribution. What is the probability that the median of the distribution...
 Forum: Probability 09-15-2015, 06:12 PM Replies: 4 Views: 593 Posted By RobertR1990 Thank you. It makes sense. Thank you. It makes sense.
 Forum: Probability 09-11-2015, 03:08 AM Replies: 2 Views: 449 Posted By RobertR1990 Thank you. My problem was I did not know the... Thank you. My problem was I did not know the definition of covariance in words. Makes sense now.
 Forum: Probability 09-10-2015, 05:21 PM Replies: 2 Views: 449 Posted By RobertR1990 ASM Exam 4 #5 See below for histogram and answer choices. The correct answer is E. I understand the first part where V(X)
 Forum: Probability 09-09-2015, 05:45 PM Replies: 2 Views: 1,327 Posted By RobertR1990 Thank you. This makes a lot of sense. Thank you. This makes a lot of sense.
 Forum: Probability 09-09-2015, 04:24 PM Replies: 4 Views: 593 Posted By RobertR1990 Answer: 66.7 Answer: 66.7
 Forum: Probability 09-09-2015, 04:22 PM Replies: 0 Views: 560 Posted By RobertR1990 ASM Exam 3 #27 Defective items on an assembly line occur independently with probability of .05. A random sample of 100 items is taken. What is the probability that the first item sampled is not defective, given...
 Forum: Probability 09-09-2015, 01:13 PM Replies: 2 Views: 1,327 Posted By RobertR1990 ASM Exam 3 #11 An insurance contract reimburses a family's automobile accident losses up to a maximum of two accidents per year. The joint probability distribution for the # of accidents of a three person family...
 Forum: Probability 09-09-2015, 12:09 PM Replies: 4 Views: 593 Posted By RobertR1990 ASM Practice Exam 3 #10 clarification Suppose the remaining lifetimes of a husband and a wife are independent and uniformly distributed on the interval (0,40). An insurance company offers two products to married couples: 1) One which...
 09-04-2015, 07:23 PM Replies: 169 Views: 7,439 Posted By RobertR1990 16.07 Fred Jackson RB 16.07 Fred Jackson RB
 Forum: Probability 09-04-2015, 07:18 PM Replies: 1 Views: 1,182 Posted By RobertR1990 SOA 172 A policyholder has probability 0.7 of having no claims, 0.2 of having exactly one claim, and 0.1 of having exactly two claims. Claim amounts are uniformly distributed on the interval [0, 60] and...
 Showing results 1 to 25 of 54

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