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gofish
  • Member for 7 years, 11 months
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4 votes
1 answer
89 views

Translating predicate logic statements

2 votes
1 answer
125 views

Rewriting predicate sentences to logically equivalent statements that doesn't use the negation operator

2 votes
0 answers
2k views

Probability of gift exchange

2 votes
1 answer
18k views

Half range Fourier sine series of cos(x) on 0 < x < $\frac{\pi}{2}$

2 votes
1 answer
903 views

Continuous random variable distribution probability

1 vote
0 answers
315 views

Continuous random variable Poisson distribution

1 vote
1 answer
3k views

Probability, pdf and cdf of a standard normal distribution

1 vote
1 answer
444 views

Cdf of uniform distribution from an equation

1 vote
1 answer
196 views

Dirac delta function definite integral

1 vote
1 answer
6k views

Probability of stocks going up and down

1 vote
2 answers
1k views

Poisson distribution approximation to binomial

1 vote
4 answers
636 views

Prove that x + $\frac{9}{x}$ $\ge$ 6 for all real numbers x $>$ 0

0 votes
2 answers
78 views

Prove that if it is possible to divide the software engineers into two teams

0 votes
4 answers
119 views

Prove $\mid$x-1$\mid$+$\mid$x+5$\mid$ $\ge$ 6 for all real numbers [duplicate]

0 votes
1 answer
260 views

complex fourier series expansion

0 votes
3 answers
161 views

Find integers $b, c $ so that $3b\equiv3c\pmod{12}$, but $b \not\equiv c\pmod{12}$. [closed]

0 votes
0 answers
331 views

What is the last digit of $7^{3553}$?

0 votes
1 answer
760 views

Probability of passing an exam with different conditions

0 votes
2 answers
280 views

Laplace transform of Heaviside function

0 votes
2 answers
120 views

Chameleon puzzle

0 votes
5 answers
1k views

How to show steps for 11x - 7 $\equiv$ 0 (mod 13)? [closed]

0 votes
2 answers
96 views

Cardinality of union of two different sets

-1 votes
1 answer
695 views

Find all m so that 1066 $\equiv$ 1776 (mod m).