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K Split X's questions - English 1answer
229 questions.
Questions
Answers
Suppose that a bowl contains 100 chips: 30 are labelled 1, 20 are labelled 2, and 50 are labelled 3.
3
2
answers,
0
favourites,
30
views
probability
probability-theory
Suppose the sample space S is finite. Is it possible to define an unbounded random variable on S?
1
answers,
0
favourites,
21
views
probability
probability-theory
statistics
Prove $A$ is independent of $B$ iff $A^C$ is independent of $B$
1
answers,
0
favourites,
13
views
probability
elementary-set-theory
What is the conditional probability that the number of heads equals the number showing on the die, conditional on knowing that the die showed 1?
2
2
answers,
0
favourites,
45
views
probability
statistics
conditional-probability
5 cards are chosen from a standard deck. What is the probability that we get all four aces, plus the king of spades?
12
5
answers,
1
favourites,
2.987
views
probability
combinatorics
statistics
discrete-mathematics
What is the conditional probability that the first die shows 5, conditional on the event that exactly three dice show 5?
1
3
answers,
0
favourites,
78
views
probability
discrete-mathematics
conditional-probability
Rolling three dice. Probability that two of them show the same value, but third does not
1
answers,
0
favourites,
31
views
probability
statistics
What is the probability that I have watched neither news?
1
answers,
0
favourites,
20
views
probability
If $S=\{1,2,3\}$ and $P(\{1,2\}) = 1/3$ and $P(\{2,3\})=2/3$, what is $P(\{1\}),P(\{2\}),P(\{3\})$
1
answers,
0
favourites,
22
views
probability
statistics
Evaluate $\lim\limits_{(x,y)\to(0,0)}\frac{(x+y)^2}{x^2+y^2}$
4
2
answers,
0
favourites,
159
views
limits
multivariable-calculus
polar-coordinates
Why do we care about the fact that a series converges, but not what it converges to?
3
answers,
0
favourites,
231
views
calculus
sequences-and-series
convergence
In the $3D$ plane, how is $z$ always the “vertical” axis?
3
answers,
0
favourites,
64
views
soft-question
Find the volume of the solid bounded by $x=\sqrt{y^2+z^2}$ and $x=6-y^2-z^2$
3
4
answers,
0
favourites,
57
views
calculus
integration
multivariable-calculus
polar-coordinates
Calculate the area of the region bounded by $z=0, z=1,$, and $(z+1)\sqrt{x^2+y^2}=1$
2
2
answers,
0
favourites,
34
views
calculus
integration
multivariable-calculus
Convert the double integral into polar
1
2
answers,
0
favourites,
31
views
calculus
integration
multivariable-calculus
polar-coordinates
wolfram-alpha
Convert this integral to polar coordinates
1
3
answers,
0
favourites,
45
views
calculus
integration
multivariable-calculus
polar-coordinates
Evaluate $\iint_{D}e^\frac{x+y}{x-y}$ on the region $D$ using a change of variables
1
2
answers,
1
favourites,
44
views
calculus
integration
multivariable-calculus
change-of-variable
Rewrite $\int_{0}^{1}\int_{-\sqrt{y-y^2}}^{0}(x^2+y^2)\,\text{d}x \, \text{d}y$ in polar
4
1
answers,
0
favourites,
48
views
calculus
integration
multivariable-calculus
definite-integrals
polar-coordinates
Calculate $\int_{D}||\nabla f||^2 dA$, where $f(x,y)=y-x^2+1$, and $D$ is this region
3
answers,
0
favourites,
26
views
calculus
integration
multivariable-calculus
area
volume
Find $\frac{\partial z}{\partial t}$ for $f(x_1,x_2,x_3,x_4)$ using the chain rule
1
1
answers,
0
favourites,
39
views
calculus
multivariable-calculus
partial-derivative
chain-rule
Find all $(x,y)$ for which $f(x,y)$ is continous
1
3
answers,
0
favourites,
44
views
calculus
limits
multivariable-calculus
Find a basis for $W$
1
answers,
0
favourites,
43
views
linear-algebra
Determine if $U$ is a subspace of $P_3\mathbb{R}$
1
answers,
0
favourites,
22
views
linear-algebra
linear-transformations
Find the jordan basis for $A$
1
2
answers,
1
favourites,
129
views
linear-algebra
eigenvalues-eigenvectors
jordan-normal-form
Rewrite the triple integral .
1
answers,
0
favourites,
97
views
calculus
integration
multivariable-calculus
volume
Calculate $\iiint_B x \text{ d}V$, where $B$ is tetrahedron with vertices $(0,0,0),(0,1,0),(0,0,1),(1,0,0)$
2
1
answers,
0
favourites,
76
views
calculus
integration
multivariable-calculus
volume
Find the volume of the solid $B$ given the bounds:
1
answers,
0
favourites,
61
views
integration
multivariable-calculus
volume
Is it incorrect to say "your grade is calculated by $\text{(grade / out of)} \times 100\%$?
1
answers,
1
favourites,
36
views
algebra-precalculus
percentages
Prove that there does not exist a largest natural number
2
4
answers,
0
favourites,
1.884
views
number-theory
discrete-mathematics
Find the points that give the shortest distance between the line $(2,3,1)+s(1,2,-1)$ and $(1,2,0)+t(2,-3,5)$
1
answers,
0
favourites,
91
views
optimization
euclidean-geometry
lagrange-multiplier
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