User Dylan Zammit

6 votes

How to get $\lim_{x\to 0}\frac{x}{\sin x} =1$ from $\lim_{x\to 0}\frac{\sin x}{x} =1$?

answered Mar 2, 2018 at 11:32

4 votes

Accepted

Probability problem: $60$ workers in an industry

answered Mar 4, 2018 at 12:06

3 votes

$f$ be a continuous function maps Cauchy into Cauchy. Is $f$ uniformly continuous?

answered Mar 14, 2018 at 7:15

3 votes

Accepted

Rearranging log expression

answered Mar 15, 2018 at 7:09

3 votes

A problem on probability involving binomial distribution

answered Feb 9, 2018 at 22:09

3 votes

How many tickets are needed to guarantee at least one winning ticket?

answered Apr 1, 2018 at 13:31

3 votes

Accepted

why add variance but not standard deviation

answered May 3, 2018 at 5:50

2 votes

Difference between limit tending to infinity and limit doesn't exist

answered May 3, 2018 at 6:19

2 votes

Solving for $x$ from given equation

answered Mar 31, 2018 at 14:18

2 votes

Percentage: What is the cost of paint purchased?

answered May 5, 2018 at 9:32

2 votes

Accepted

Probability that two distinguishable objects to be included

answered Jun 24, 2019 at 13:25

2 votes

Let f : [0, 1] → [0,1]. Suppose that f attains every value between 0 and 1 in the interval [0, 1], then f is continuous in the interval [0, 1].

answered Dec 31, 2017 at 11:25

2 votes

How many different necklaces can be formed with $6$ white and $5$ red beads?

answered Mar 14, 2018 at 7:22

1 vote

How is $\frac{\left(2\left(n+1\right)\right)!}{\left(n+1\right)!}\cdot \frac{n!}{\left(2n\right)!}$ simplified like that?

answered Jan 14, 2018 at 8:41

1 vote

Accepted

What is the probability that the photograph shows a woman in the middle flanked by two men, one on either side of her?

answered Jan 16, 2018 at 10:29

1 vote

For which numbers is the matrix diagonalizable?

answered Jan 21, 2018 at 14:04

1 vote

Need help with differentiating a problem

answered Mar 4, 2018 at 9:15

1 vote

Cant understand skipped step in textbook solution

answered May 21, 2018 at 9:01

1 vote

Accepted

Hypothesis testing - Critical region and confidence level

answered May 28, 2018 at 8:27

1 vote

Problems with integrals

answered Jun 15, 2018 at 7:40

1 vote

Accepted

The limit of $f(x) = \begin{cases} x & x\text{ rational} \\ -x & x\text{ irrational}\end{cases}.$

answered Feb 8, 2019 at 13:26

1 vote

$\lim_{n\to\infty} 1^n = 1$?

answered Mar 30, 2018 at 11:46

1 vote

Accepted

Estimating Gaussian parameters of a set of data points

answered Apr 13, 2018 at 9:35

1 vote

Accepted

Find the pdf of $Y$.

answered Apr 15, 2018 at 15:40

1 vote

Accepted

Systems of Equations in 4 or more unknowns

answered May 3, 2018 at 6:14

0 votes

How can I find sample mean, given n and standard deviation?

answered May 3, 2018 at 7:53

0 votes

Accepted

Proof of $c > a - 2b$ if $|c - a| < b$

answered Oct 31, 2019 at 10:41

0 votes

Obtain marginal distribution from discrete joint pmf

answered May 11, 2018 at 16:57

0 votes

What is the probability that some people are chosen in different groups?

answered Feb 16, 2018 at 20:13

0 votes

Multiply number by another number that ends in zero

answered Mar 13, 2018 at 16:32

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33 Answers

How to get $\lim_{x\to 0}\frac{x}{\sin x} =1$ from $\lim_{x\to 0}\frac{\sin x}{x} =1$?

Probability problem: $60$ workers in an industry

$f$ be a continuous function maps Cauchy into Cauchy. Is $f$ uniformly continuous?

Rearranging log expression

A problem on probability involving binomial distribution

How many tickets are needed to guarantee at least one winning ticket?

why add variance but not standard deviation

Difference between limit tending to infinity and limit doesn't exist

Solving for $x$ from given equation

Percentage: What is the cost of paint purchased?

Probability that two distinguishable objects to be included

Let f : [0, 1] → [0,1]. Suppose that f attains every value between 0 and 1 in the interval [0, 1], then f is continuous in the interval [0, 1].

How many different necklaces can be formed with $6$ white and $5$ red beads?

How is $\frac{\left(2\left(n+1\right)\right)!}{\left(n+1\right)!}\cdot \frac{n!}{\left(2n\right)!}$ simplified like that?

What is the probability that the photograph shows a woman in the middle flanked by two men, one on either side of her?

For which numbers is the matrix diagonalizable?

Need help with differentiating a problem

Cant understand skipped step in textbook solution

Hypothesis testing - Critical region and confidence level

Problems with integrals

The limit of $f(x) = \begin{cases} x & x\text{ rational} \\ -x & x\text{ irrational}\end{cases}.$

$\lim_{n\to\infty} 1^n = 1$?

Estimating Gaussian parameters of a set of data points

Find the pdf of $Y$.

Systems of Equations in 4 or more unknowns

How can I find sample mean, given n and standard deviation?

Proof of $c > a - 2b$ if $|c - a| < b$

Obtain marginal distribution from discrete joint pmf

What is the probability that some people are chosen in different groups?

Multiply number by another number that ends in zero