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"snake oil" exact phrase

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Vote summary for DNB‭

A daily summary of votes received for posts.

Jan 24, 2022: -9

+0

−2

How can you prognosticate to rewrite the same sum backwards, then add the same sum (twice)?

Question Q&A

+0

−1

To correct for overcounting, why can't we divide by the sum of the over-counts?

Question Q&A

+0

−4

How can you "easily see that such squares [of side length $\sqrt{13}$ and $\sqrt{18}$] will not fit into the [4 × 4] grid"?

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+0

−1

Why 1. multiply the number of independent options? 2. add the number of exclusive options?

Question Q&A

+0

−1

Why's Pr(the running total of a fair dice rolled repeatedly = n) = $\frac16 (p_{n-1} + p_{n-2} + p_{n-3} + p_{n-4} + p_{n-5} + p_{n-6})$?

Question Q&A

Jan 20, 2022: +1

+1

−0

Why isn't MathJax table appearing?

Question Meta

Jan 18, 2022: +3

+1

−0

Why isn't MathJax table appearing?

Question Meta

+2

−0

Why doesn't \$ work?

Question Meta

Jan 17, 2022: +1

+1

−0

Why doesn't \$ work?

Question Meta

Jan 16, 2022: +1

+1

−0

Why doesn't \$ work?

Question Meta

Jan 15, 2022: +1

+1

−0

Why doesn't \$ work?

Question Meta

Jan 10, 2022: +1

+1

−0

How's it possible to arrange 0 objects? How can 0! = 1?

Question Q&A

Jan 2, 2022: -1

+0

−1

Acceptable, usual to write $\ge 2$ pipes simultaneously?

Question Q&A

Jan 1, 2022: -6

+0

−1

Why's Pr(the running total of a fair dice rolled repeatedly = n) = $\frac16 (p_{n-1} + p_{n-2} + p_{n-3} + p_{n-4} + p_{n-5} + p_{n-6})$?

Question Q&A

+0

−1

Why's a 2-player game with "win by two" rule = Gambler's Ruin where each player starts with $2? Why N = 4?

Question Q&A

+0

−1

How to intuit p = Calvin's probability of winning each game independently = $1/2 \implies$ P(Calvin wins the match) = 1/2?

Question Q&A

+0

−1

If C = Calvin wins the match, and $X \thicksim Bin(2, p) =$ how many of the first 2 games he wins — then why P(C|X = 1) = P(C)?

Question Q&A

+0

−1

Intuitively, why does $p$ vary inversely with $P(C_3 \mid D_2)$? But directly with $P(C_2 \mid D_3)$?

Question Q&A

+0

−1

For (a variation) of the Monty Hall problem, what permits you to repaint doors 2 and 3? What permits you to replace p with $1 - p$?

Question Q&A

Dec 31, 2021: -2

+0

−1

Intuitively, why does $p$ vary inversely with $P(C_3 \mid D_2)$? But directly with $P(C_2 \mid D_3)$?

Question Q&A

+0

−1

For (a variation) of the Monty Hall problem, what permits you to repaint doors 2 and 3? What permits you to replace p with $1 - p$?

Question Q&A

Dec 30, 2021: +2

+1

−0

In general, does $\color{forestgreen}{P(A|M)} + \color{red}{P(B|M)} = 1$?

Question Q&A

+1

−0

Why $\color{red}{k\dbinom{k}{1}} \neq$ "first choose the k team members and then choose one of time to be captain"?

Question Q&A

Dec 26, 2021: +1

+1

−0

Acceptable, usual to write $\ge 2$ pipes simultaneously?

Question Q&A

Dec 23, 2021: -1

+0

−1

In general, does $\color{forestgreen}{P(A|M)} + \color{red}{P(B|M)} = 1$?

Question Q&A

Dec 14, 2021: -1

+0

−1

What story and TWO-digit Natural Numbers best fit Bayes' Theorem chart?

Question Meta

Nov 17, 2021: +1

+1

−0

Intuitively, why would organisms — that after one minute, will either die, split into two, or stay the same, with equal probability — all die ultimately?

Question Q&A