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Alex's user avatar
Alex
  • Member for 10 years, 4 months
  • Last seen more than 1 year ago
8 votes
4 answers
66k views

Prove that if $A \subset B$ then $P(A) \leq P(B)$

3 votes
2 answers
11k views

Finding a p-value based on the Poisson distribution

2 votes
2 answers
3k views

Describe an $O(N)$ time algorithm for determining if there is an integer in a sequence $A$ and an integer in a sequence $B$ such that $x = a + b$

2 votes
1 answer
470 views

Expected loss in regards to a question containing a continuous random variable with uniform distribution

2 votes
1 answer
5k views

How many ways can six of the letters of the word ALGORITHM be selected and written in a row if the first letter must be A?

2 votes
2 answers
4k views

Find an explicit formula for the recursive sequence

1 vote
2 answers
3k views

Use the recursive definition of summation together with mathematical induction to prove a sequence

1 vote
3 answers
260 views

If $(B \cap C) \subset A$, then $(C\setminus A) \cap (B\setminus A) = \emptyset$

1 vote
1 answer
48 views

Question about equivalencies when using the existential quantifier

1 vote
2 answers
4k views

Prove that if a and b are positive real numbers, then a + b $\geq$ ab

1 vote
2 answers
39 views

Question about what it means when a set is in another set

1 vote
1 answer
5k views

Understanding comparability in a partially ordered sets with Hasse diagrams

1 vote
3 answers
37k views

Understanding basic intersection and union formula in statistics

1 vote
1 answer
122 views

How to find the estimator using random variables in statistics

1 vote
1 answer
1k views

Average case of element comparisons when searching for an element x with a specific probability

1 vote
0 answers
100 views

Finding a likelihood function given binary observed data

1 vote
3 answers
53 views

How should I read and interpret $A = \{\,n^2 + 2 \mid n \in \mathbb{Z} \text{ is an odd integer}\,\}$

1 vote
2 answers
148 views

How to show that for all k, $k! \ge (k/2)^{k/2}$

1 vote
1 answer
7k views

Calculating test statistic of a poisson distribution

1 vote
3 answers
430 views

Applying the basic formula for binomial distribution

1 vote
1 answer
794 views

Ratios of conditional probabilities given a contingency table

0 votes
1 answer
69 views

Expectation for number of students who miss true value of $\beta_1$

0 votes
1 answer
415 views

Find the asymptotic solution $\Theta$ of the recurrence using the master theorem

0 votes
1 answer
2k views

How to calculate a population mean for a normal distribution

0 votes
1 answer
216 views

Calculating probability of a normal distribution, not getting correct answer

0 votes
1 answer
102 views

How to find the probability of an estimator?

0 votes
1 answer
65 views

Finding an interval estimate for $\mu$ given a sample size and variance

0 votes
1 answer
3k views

What is a decision threshold and how does it apply to a statistical power?

0 votes
2 answers
85 views

Probability of missing the true proportion of black vehicles in a population

0 votes
3 answers
4k views

Finding a constant $ z $ such that $ P(Z \leq z) = 0.95 $ when $ Z \sim \text{N}(0,1) $.