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# Search:

Type: Posts; User: zzod; Keyword(s):

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by zzod
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0
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2,981

### Vancouver, BC

Anyone from Vancouver wanna study in the coming fall for this exam?

by zzod
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2
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2,344

3. ## Thread: Study group in Vancouver!

by zzod
Replies
2
Views
2,344

### Study group in Vancouver!

Anyone in Vancouver studying for the September sitting?
4. ## Thread: Calculating E[max(x, y)]

by zzod
Replies
4
Views
3,938

### Okay, I did the second question if 0 < X < 3 and...

Okay, I did the second question if 0 < X < 3 and 0 < Y < 8.
I attached it as a pdf in this post. Did I do it right?
5. ## Thread: Calculating E[max(x, y)]

by zzod
Replies
4
Views
3,938

### Okay but then how do you solve for X and Y in...

Okay but then how do you solve for X and Y in terms of t for the questions?

to solve for E[max(x, y )] = integral of tf(t) from negative infinity to positive infinity.

Also, how do you figure...
6. ## Thread: Calculating E[max(x, y)]

by zzod
Replies
4
Views
3,938

### Calculating E[max(x, y)]

Does anyone have any notes on this or can explain it to me?
I tried googling but nothing really shows up. There's 2 questions in my textbook that asks to calculate E[max(x, y)] but they don't...
7. ## Thread: Poisson Distribution Question

by zzod
Replies
2
Views
2,357

### Yeah, that sounds right. To calculate lambda,...

Yeah, that sounds right. To calculate lambda, you find the average # of occurrences per time/space then multiply by the time/space the question is asking.
8. ## Thread: Method of distribution functions and Exponential random variables questions

by zzod
Replies
5
Views
4,346

### Since a cumulative distribution function has to...

Since a cumulative distribution function has to be nondecreasing, then its derivative must be 0 or some positive number for any value on its domain right?
9. ## Thread: Method of distribution functions and Exponential random variables questions

by zzod
Replies
5
Views
4,346

### I got fy(4) as negative... I uploaded the...

I got fy(4) as negative...

I uploaded the work I did in pdf in the first post ^^
10. ## Thread: Method of distribution functions and Exponential random variables questions

by zzod
Replies
5
Views
4,346

### Okay I managed to solve it for X lol...

Okay I managed to solve it for X lol :embarrassed:
but my answer ends up being negative! :(
Can the answer be negative? I don't think so right...?
I'll post how I did it in a few hours.
11. ## Thread: Method of distribution functions and Exponential random variables questions

by zzod
Replies
5
Views
4,346

### Method of distribution functions and Exponential random variables questions

Hey guys,

I have a question about finding the density and distribution functions of Y = some function of X when given the probability density function of X, f(x).

I attached a pdf of how I...
12. ## Thread: Poisson distribution question

by zzod
Replies
19
Views
7,238

### The answer turned out to be (12 choose 2) *...

The answer turned out to be

(12 choose 2) * (0.12540850)^2 * (0.87459150)^10 = 0.27180

Thanks guys.
13. ## Thread: Poisson distribution question

by zzod
Replies
19
Views
7,238

### Okay so it should be like this? p =...

Okay so it should be like this?

p = (e^(-2.4))*(2.4^4) / 4! = 0.12540850
1 - p = 0.87459150

(12 choose 2) * (0.12540850)^2 * (0.87459150)^10 = 0.27180

But I'm still not clear on why lambda...
14. ## Thread: Poisson distribution question

by zzod
Replies
19
Views
7,238

### Oh this does make sense! I will try it out....

Oh this does make sense! I will try it out. :coolman:
15. ## Thread: Poisson distribution question

by zzod
Replies
19
Views
7,238

### Yeah I was thinking [1 crime in one month, 3...

Yeah I was thinking [1 crime in one month, 3 crimes in another month] or [2 crimes in one month, 2 crimes in another month]

So would you do the Poisson distribution like this....

Find the...
16. ## Thread: Poisson distribution question

by zzod
Replies
19
Views
7,238

### Poisson distribution question

Hey guys, I'm kind of stuck on this question.

In a certain town, crimes occur at a Poisson rate of 2.4 per month (i.e. according to a Poisson process with a rate of 2.4 per month). What is the...
17. ## Thread: To those who failed the first probability exam...

by zzod
Replies
2
Views
2,617

### To those who failed the first probability exam...

Why did you fail?

Just wondering so I don't make the same mistakes when I take it ^^'
18. ## Thread: Power set question

by zzod
Replies
2
Views
1,913

### ohhh thank you. makes sense now. :)

ohhh thank you. makes sense now. :)
19. ## Thread: Power set question

by zzod
Replies
2
Views
1,913

### Power set question

A delicatessen has advertised that it offers over 500 varieties of sandwiches. If at
this deli it is possible to have any combination of salami, turkey, bologna, corned
beef, ham, and cheese on...
20. ## Thread: Anyone writing it in Sept/Oct in Vancouver?

by zzod
Replies
0
Views
2,219

### Anyone writing it in Sept/Oct in Vancouver?

I might be writing exam P in Sept/Oct and looking for someone to study with in Vancouver.

So anyone? :)

by zzod
Replies
9
Views
5,695

### I would retake it but my school doesn't let us...

I would retake it but my school doesn't let us redo courses that we've passed =(

by zzod
Replies
9
Views
5,695

### Calc 1 = differential calculus calc 2 = integral...

Calc 1 = differential calculus
calc 2 = integral calculus
calc 3 = multivariable calculus

I don't think my calc 2 mark reflects my strength in math at all since I was taking 4 other core classes...

by zzod
Replies
9
Views
5,695

24. ## Thread: Buying Fundamentals of Probability, with Stochastic Processes (3rd Edition)

by zzod
Replies
0
Views
1,610

### Buying Fundamentals of Probability, with Stochastic Processes (3rd Edition)

Hello...

I need this book:

Fundamentals of Probability, with Stochastic Processes (3rd Edition) by Saeed Ghahramani ASAP shipped or meet up in Vancouver.

by zzod
Replies
5
Views
4,136

### Why do you think math is better than statistics?...

Why do you think math is better than statistics?

Just wondering since I can't decide between a math or statistics major.
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