Variation, combination, probability
11514
confused please help
626
Sum of combinations with varying $n$
127311
Challenging probability problem
99748
What is the statistical method that I should use for the following problem?
123289
Probability of a repeatedly right answer
78622
How to understand the combination formula?
137973
What is the formula for Combination with repetition?
123986
Approach to solve conditional probability
105904
conditional probability of joints
68581
Combination for subset with duplicates
114783
What is the probability that all three tosses result in the same outcome?
54990
Coupon collector's problem: mean and variance in number of coupons to be collected to complete a set (unequal probabilities)
98744
How to distinguish between permutation and combination questions?
63358
Success of Bernoulli trials with different probabilities
45829
Intro to statistics question (probability)
65070
Combinations of a penny, nickel, dime, and quarter
20722
Fixed points in random permutation