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Coupon collector's problem. In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more ...
The binomial distribution is the PMF of k successes given n independent events each with a probability p of success. Mathematically, when α = k + 1 and β = n − k + 1, the beta distribution and the binomial distribution are related by [clarification needed] a factor of n + 1 :
The process of family planning varied throughout China, as people differed in their responsiveness to the one-child policy, based on location and socioeconomic status. For example, many families in the cities accepted the policy more readily based on the lack of space, money, and resources that often occurs in the cities.
Many generalizations of Mersenne primes have been defined. This include the following: Primes of the form b n − (b − 1) n, [10] [11] [12] including the Mersenne primes and the cuban primes as special cases; Williams primes, of the form (b − 1)·b n − 1
Total period fertility rate. The TFR, sometimes called TPFR—total period fertility rate, is a better index of fertility than the crude birth rate (annual number of births per thousand population) because it is independent of the age structure of the population, but it is a poorer estimate of actual completed family size than the total cohort ...
Independent Party of Louisiana – 136,125. Conservative Party of Louisiana – 794. Socialist – 85. American Solidarity – 103. Socialism and Liberation – 5. ^ "Other" political affiliations listed as follows: Libertarian Association (unaffiliated) – 16,307. United Independent Party – 14,469. Socialist Party – 1,615.
Determined to get her dream dress, Elizabeth, who was just a princess at the time, saved up clothing coupons in order to pay for the gown, MSNBC reported on the air Thursday. Though she was given ...
A 2023 map of countries by fertility rate. Blue indicates negative fertility rates. Red indicates positive rates. This is a list of all sovereign states and dependencies by total fertility rate (TFR): the expected number of children born per woman in her child-bearing years.