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In the United States a longer duty cycle is used, 50% for battery-powered buoys (20 seconds on, 20 seconds off) and 75% for on-shore beacons. Ramarks are wide-band beacons which transmit continuously on the radar bands without having to be triggered by an incoming radar signal. The transmission forms a line of Morse characters on the display ...
In addition, "Other" received 1%, "None" received 1% and "No opinion" received 5%. Public Policy Polling A Public Policy Polling poll taken between September 8–11, 2011, asked 665 American voters, based on what they know or remember about the nine then-most recent former presidents, whether they hold favorable or unfavorable views of how each ...
The following program calculates the smallest number of people in a room for whom the probability of completely unique birthdays is less than 50% (the birthday problem, where for 1 person the probability is 365/365 (or 100%), for 2 it is 364/365, for 3 it is 364/365 × 363/365, etc.) (answer = 23).
List of countries by population (United Nations) This is a list of countries and other inhabited territories of the world by total population, based on estimates published by the United Nations in the 2022 revision of World Population Prospects. It presents population estimates from 1950 to the present. [2]
according to International Monetary Fund estimates [n 1] [1] Countries by estimated nominal GDP in 2024. [n 2] > $20 trillion. $10–20 trillion. $5–10 trillion. $1–5 trillion. $750 billion – $1 trillion. $500–750 billion. $250–500 billion.
List. The Human Development Report includes data for all 193 member states of the United Nations, [16] as well as Hong Kong SAR and the State of Palestine. However, the Human Development Index is not calculated for two UN member states: DPR Korea (North Korea) and Monaco, only some components of the index are calculated for these two countries.
The following list of best-selling music artists includes those music acts from the 20th century to the present with claims of 75 million or more record sales worldwide. This information cannot be listed officially, as there is no organization that has recorded global music sales.
This is a list of languages by total number of speakers. It is difficult to define what constitutes a language as opposed to a dialect . For example, Chinese and Arabic are sometimes considered single languages, but each includes several mutually unintelligible varieties , and so they are sometimes considered language families instead.