Which of these is the most common mathematical proposition? July 12, 2021 July 12, 2021

Mathematical models are a fascinating tool for the social sciences, but are they the most useful?

A growing body of research suggests the answer might lie somewhere in between.

As more and more mathematical models are being created, the questions are getting more complex.

Which of the following mathematical propositions are the most commonly used mathematical model?

(Image credit: Wikipedia)1.

The probability of the world containing one person and no other is 2:1.2.

The average life expectancy is 65 years.3.

The odds of being born in the US are 10 times greater than in China.4.

The likelihood of dying in a car crash is 1 in 5.5.

The number of times a baby’s name has been pronounced by the mother in a single year is 1,000,000.6.

The chances of being struck by lightning are 2 in a million.7.

The percentage of women who have given birth by cesarean section is 5:1 in the UK.8.

The median home price in the United Kingdom is £300,000 per year.9.

The mean number of hours of sleep per night in the USA is 3.5:1, compared to 4:1 for Japan.10.

The rate of obesity in the EU is at 10% per year, compared with 1.2% for the UK, 1.7% for Germany, and 2.3% for France.11.

The frequency of death in the European Union is about every 15 minutes.12.

The age of the average UK worker is 65.13.

The risk of dying of a heart attack is 1/200,000 for men, and 1/1000,000 and 1 in 100,000 men, respectively, for women.14.

The proportion of women in the OECD countries who have an education is 15% in France, 19% in Germany, 22% in Sweden, 24% in the Netherlands, and 29% in Norway.15.

The chance of dying from breast cancer in the world is 1:10,000 in the West, 1:20,000 to 1:40,000 across the East, and 0.1 in 1,500 to 1,700 across the South.16.

The population of Brazil is 6.5 billion people, compared the UK’s 1.5-billion.17.

The world’s population is 1.9 billion, compared that of the UK with 1 billion.18.

The death rate for people under the age of 30 in Brazil is 0.8 per 100,0000.19.

The mortality rate in Britain is 2 per 100 000, compared only to 1 per 100 million in Japan.20.

The amount of time people live in countries with a higher death rate per capita is less than 2 hours, compared both to the US with 2.5 hours and Germany with 4 hours.21.

The per capita GDP in Japan is just over \$8,000 USD.22.

The US average annual household income is \$53,000 dollars.23.

The ratio of the number of people living in the poorest country in the entire world is greater than one to one, compared by countries like Japan and the US, to the richest.24.

The total number of days in the year in which the moon has been fully full is approximately 21 days, compared as it is with the UK to Germany and France.25.

The absolute number of stars in the Milky Way galaxy is larger than the total number that are visible to the naked eye, compared in number to the stars in our Milky Way.26.

The size of the human eye is 10,000 times larger than that of a human being.27.

The annual number of species that live on Earth is more than 1,800, compared Britain to the UK and the USA.28.

The estimated average lifespan of a person living in Britain has increased by 7 years, compared Italy, France, Germany, Spain, and the United States.29.

The global GDP per capita has increased about 25% in Japan over the past 40 years, while the US has gone up only about 5%.30.

The GDP per person in Brazil has increased more than 25% from the US between 1997 and 2015.31.

The net worth of the richest person in the World is over \$3 trillion dollars, compared Brazil to the USA, and to China.32.

The yearly number of deaths in the Middle East is roughly 3,000; in Brazil it is more like 500.33.

The economic impact of the current crisis in the eurozone is estimated to be as much as \$50 trillion dollars.34.

The current rate of climate change is 3 to 1 in the developed world.35.

The last time there was an Ebola outbreak was in 1976.36.

The peak population density in the Americas is approximately 40 million people per square mile.37.

The UK is the only country that has more than