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1. ## Thread: question from last sitting

by sha6188
Replies
1
Views
777

### question from last sitting

In one of the discussion forum I saw that last sitting there was a question asking Pr(z>638) for insurance that pays 1000 for one decrement and amount 500 for another decrement. I would really...
2. ## Thread: Exam P Questions

by sha6188
Replies
11
Views
2,021

### 1. payment Y=0 x

1.
payment Y=0 x<=4
X-4 4<=X<=9
5 X>=9

E(Y)= inger{4 to 9}{(x-4) 1/8 exp^-x/8 + 5 exp^-9/8

3.

payment Y = 0 1 2
3. ## Thread: exam p question

by sha6188
Replies
3
Views
683

### exam p question

i found this in another forum. did any body get problem like this in exams.

a guy is trying to sell 3 types of insurance products to 12 people

6 are interested in product A only
4 are...
4. ## Thread: Another question

by sha6188
Replies
19
Views
3,012

### does anybody know how to solve this problem.

does anybody know how to solve this problem.
5. ## Thread: Exam Question

by sha6188
Replies
40
Views
5,977

### V(u)=72500 lambda E(u)= 450 lambda coeff of...

V(u)=72500 lambda
E(u)= 450 lambda
coeff of variation =.90={269.25 (lambda)^.5}/450 lambda}
lambda=2.26 i think
6. ## Thread: Exam Question

by sha6188
Replies
40
Views
5,977

### P(at least one loss for high)=.40 P(at least one...

P(at least one loss for high)=.40
P(at least one loss for low)=.10

P(at most 1 person has at least one loss)
=P(o people has at least one loss)+P(1 person has at least one loss)...
7. ## Thread: Help needed, exam P question

by sha6188
Replies
10
Views
1,663

### reasoning for my previous answer was that: since...

reasoning for my previous answer was that:
since i will not be reimbursed for expenses x>2 and y>1 probability of no reimbursement will be P(x>2) and P(y>1).
if it was x=0 and y=0 then answer...
8. ## Thread: Exam Question

by sha6188
Replies
40
Views
5,977

### In question no 2 does the question tell u that it...

In question no 2 does the question tell u that it was poisson distribution. if not then it sounds like it would be geometric distribution to me. And also i though only geometric and exponential had...
9. ## Thread: exam question

by sha6188
Replies
8
Views
1,085

### i think it is [sum(x_i * p(x_i) from i = 2 to...

i think it is [sum(x_i * p(x_i) from i = 2 to infinity)]^2 -sum(x_i^2 * p(x_i) from i = 2 to infinity) for variance sicne V[x]=E[x^2]-{E[x}]^2
10. ## Thread: Help needed, exam P question

by sha6188
Replies
10
Views
1,663

### I dont see why not

I dont see why not
11. ## Thread: Help needed, exam P question

by sha6188
Replies
10
Views
1,663

### I am not sure about this but i think it should be...

I am not sure about this but i think it should be as follows.
X~no of filling
Y~no of root
P(no reimbursement for filling and roots)=P(x>2 and Y>1)
by independence
=P(X>2).P(Y>1)...
12. ## Thread: Exam Question

by sha6188
Replies
40
Views
5,977

### [QUOTE=_jared_;28286]I . Oh and I had one...

[QUOTE=_jared_;28286]I .

Oh and I had one problem that required doing an infinite sum, and it was the kind where you had to integrate it to make it look like a geometric series and then...
13. ## Thread: Exam Question

by sha6188
Replies
40
Views
5,977

### [QUOTE=Tal;28336] do we do 3c2 4c3 3c1/10c6...

do we do 3c2 4c3 3c1/10c6 in this problem
14. ## Thread: Exam Question

by sha6188
Replies
40
Views
5,977

### if you guys have free time and if it is possible ...

if you guys have free time and if it is possible can you guys please elaborate more (without reconstructing original questions)on what kinds of questions were there in exam. i think it would be...
15. ## Thread: Exam Question

by sha6188
Replies
40
Views
5,977

### how come nobody is discussion feb 2008 exam in...

how come nobody is discussion feb 2008 exam in this website. i thought exams were over
16. ## Thread: Exam Question

by sha6188
Replies
40
Views
5,977

### what kind of questions did u guys get this time

what kind of questions did u guys get this time
17. ## Thread: need help

by sha6188
Replies
0
Views
511

### need help

can somebody help me with actex problem set 9 -39 P(Y1<1/2<yn)
18. ## Thread: Exam P Discussion Thread - December 2007 - What did you think? - I think I passed

by sha6188
Replies
91
Views
14,597

### how come it is not p[((total value in 100...

how come it is not
p[((total value in 100 months -10)/10 >(91-10)/10]=pr(z> 8.1)
19. ## Thread: probability of risk management

by sha6188
Replies
26
Views
3,432

### i guess it depends on which book you are using ...

i guess it depends on which book you are using

lambda will be number of accidents per month (it is also denoted by mu (depends on book) in poisson distribution)
then lambda =mu=1/theta( here mu...
20. ## Thread: probability of risk management

by sha6188
Replies
26
Views
3,432

### need help with another one

here is another question from same book
a city engineer has studied the frequency of accidents at two busy intersections. he has determined that the time t in months between accidents at each...
21. ## Thread: probability of risk management

by sha6188
Replies
26
Views
3,432

### that definetely helped thanks alot nokio.

that definetely helped thanks alot nokio.
22. ## Thread: probability of risk management

by sha6188
Replies
26
Views
3,432

### thanks guys the reason i did not get the right...

thanks guys the reason i did not get the right answer was because i forgot to add the part when player actually looses.

nokio if you have time can you please explain why we are not just using...
23. ## Thread: probability of risk management

by sha6188
Replies
26
Views
3,432

### here is another question from prob for risk...

here is another question from prob for risk management matthew j hassett and donald g stewart
5-5) in the game of ''''s(dice table) the simplest bet is the pass line. the probability of winning such...
24. ## Thread: probability of risk management

by sha6188
Replies
26
Views
3,432

### answer in back of my book is .2442 are you...

answer in back of my book is .2442

are you suggesting p(work in plant A and a minor injury|injury)
25. ## Thread: probability of risk management

by sha6188
Replies
26
Views
3,432

### i have added the question above

i have added the question above
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