Arby's user avatar
Arby's user avatar
Arby's user avatar
Arby
  • Member for 5 years, 9 months
  • Last seen more than 5 years ago
  • Thailand
1 vote

Equilateral triangle height problem

2 votes
Accepted

Unknown number of rows below staircase

4 votes

probability (Bayes' rule)

1 vote
Accepted

How can I reduce this matrix $\left[\begin{smallmatrix}-2 & 1 & 1 \\ 1 & -2 & 1 \\ 1 & 1 & -2 \\\end{smallmatrix}\right]$?

1 vote
Accepted

Game of poker Discrete Math

0 votes

X and Y intercept basic issue

0 votes
Accepted

Probability task with basketball shoots

0 votes

Word problem - I think it's to do with lowest common multiple

3 votes
Accepted

If two dice are thrown $5$ times, what is the probability of obtaining the same number on both dice $2$ times?

1 vote
Accepted

Sample space for identical objects

1 vote

Combinatorics -- Marble Problems

0 votes

golf league scheduling

2 votes
Accepted

Calculating pmf of different coins

2 votes

Probability of Chosing a King Next

0 votes

Varying interest rate question with different payout times

2 votes

How many ways can we choose $20$ letters from a collection of $9$ b’s , $8$ h’s, $10$ s’s?

3 votes

How many can the donuts be distributed among the staff?

0 votes

Resulting equation by translating or rotating a graph.

0 votes

Three Distinct Points and Their Normal Lines

2 votes
Accepted

How can you tell the difference between "simple" and "compound" events?

1 vote
Accepted

How would I solve this counting? question?

1 vote
Accepted

Finding slope of tangent line to $y = 2\sin^2(4x) + 3\cos^2(2x)$ at the point $x_0 = \frac{10\pi}{3}$

1 vote
Accepted

Need help with question regarding dependent probability

0 votes

Inclusion-Exclusion Principle Problem for 3 Sets Where Intersections are Unknown

0 votes

Where do we place the decimal point due to a binary multiplication of two decimal binary numbers?

1 vote
Accepted

Conditional probability question.

1 vote
Accepted

Life insurance statistics probability

1 vote

Is there an easy way to multiply two 2-digit numbers that have flipped digits?

1 vote

Proof that $(-1)^{n+1}$ = $(-1)^{(n-1)}$

0 votes

Committee problem