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N
nasi112
posted the thread
Lottery
in
Probability / Statistics
.
Please don't solve my question. I just need some guidance. You choose r of the first n positive integers, and a lottery chooses a...
Dec 28, 2025
I
Ian robert
replied to the thread
Sample size?
.
Hi it’s a past paper question,no solution,using this textbook...
Dec 28, 2025
Dr.Peterson
replied to the thread
Simple Short Question about Probability: lottery consists of 200 tickets and two prizes. 1st prize ticket is drawn and then, w/o replacement,...
.
Which is what I said: First you buy two tickets (that is, you keep the coupons and the tickets are put into the jar, among a total of...
Dec 27, 2025
M
mrtwhs
replied to the thread
Simple Short Question about Probability: lottery consists of 200 tickets and two prizes. 1st prize ticket is drawn and then, w/o replacement,...
.
Quote from OP: "The first prize ticket is drawn and then, without replacement, the second prize ticket is drawn."
Dec 27, 2025
K
khansaheb
replied to the thread
A Return to Mathematics: Algebra 1
.
Please share your work and show us the solution.
Dec 27, 2025
K
khansaheb
replied to the thread
Sample size?
.
Is this a problem from "instructional" class? What textbook are you "following"? Please share your work/thoughts so that we know where...
Dec 27, 2025
jonah2.0
reacted to
Dr.Peterson's post
in the thread
Simple Short Question about Probability: lottery consists of 200 tickets and two prizes. 1st prize ticket is drawn and then, w/o replacement,...
with
Like
.
I wanted to check my understanding, so I asked Google "lottery vs raffle?" Here is its AI summary: A raffle is technically a type of...
Dec 27, 2025
I
Ian robert
posted the thread
Sample size?
in
Probability / Statistics
.
Hi , I’m sure I’m missing something but just can’t get started finding the sample size ,any help appreciated,thanks.
Dec 27, 2025
Dr.Peterson
replied to the thread
Simple Short Question about Probability: lottery consists of 200 tickets and two prizes. 1st prize ticket is drawn and then, w/o replacement,...
.
I wanted to check my understanding, so I asked Google "lottery vs raffle?" Here is its AI summary: A raffle is technically a type of...
Dec 27, 2025
Dr.Peterson
replied to the thread
Simple Short Question about Probability: lottery consists of 200 tickets and two prizes. 1st prize ticket is drawn and then, w/o replacement,...
.
No, he doesn't "draw" a second ticket after the first fails; he HAS two tickets, before the two winners are drawn. At least that's how...
Dec 27, 2025
M
mrtwhs
replied to the thread
Simple Short Question about Probability: lottery consists of 200 tickets and two prizes. 1st prize ticket is drawn and then, w/o replacement,...
.
Hmm ... the more I think about this, the more confused I become. I think what I'm trying to calculate is the probability that the...
Dec 27, 2025
M
mrtwhs
replied to the thread
Simple Short Question about Probability: lottery consists of 200 tickets and two prizes. 1st prize ticket is drawn and then, w/o replacement,...
.
I don't believe so. Either he wins by drawing the top prize with the first ticket (1/200) or the second ticket ... but to draw the top...
Dec 27, 2025
J
JeffM
replied to the thread
Concrete Definition for a Ratio
.
A ratio is a statement about relative quantities in different sets. “The ratio of girls to boys in that class is 2 to 1” simply means...
Dec 26, 2025
Dr.Peterson
replied to the thread
Simple Short Question about Probability: lottery consists of 200 tickets and two prizes. 1st prize ticket is drawn and then, w/o replacement,...
.
Did you miss the fact that you have two tickets?
Dec 26, 2025
M
mrtwhs
replied to the thread
Simple Short Question about Probability: lottery consists of 200 tickets and two prizes. 1st prize ticket is drawn and then, w/o replacement,...
.
I interpreted the first question (part a) as saying that the player wins the first prize and only the first prize. With that assumption...
Dec 26, 2025
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