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I'm 80% confident that George Washington was born before the year .

I'm 95% confident that George Washington was born before the year .

I'm 99% confident that George Washington was born before the year .

I'm 80% confident that the Eiffel Tower is more than metres tall.

I'm 95% confident that the Eiffel Tower is more than metres tall.

I'm 99% confident that the Eiffel Tower is more than metres tall.

I'm 80% confident that, as of March 2022, the USA has had fewer than Vice Presidents.

I'm 95% confident that, as of March 2022, the USA has had fewer than Vice Presidents.

I'm 99% confident that, as of March 2022, the USA has had fewer than Vice Presidents.

I'm 80% confident that the UK population in mid-2020 was more than million.

I'm 95% confident that the UK population in mid-2020 was more than million.

I'm 99% confident that the UK population in mid-2020 was more than million.

I'm 80% confident that the first Harry Potter book was published before the year .

I'm 95% confident that the first Harry Potter book was published before the year .

I'm 99% confident that the first Harry Potter book was published before the year .

I'm 80% confident that Google had more than employees in 2021.

I'm 95% confident that Google had more than employees in 2021.

I'm 99% confident that Google had more than employees in 2021.

I'm 80% confident that the first Star Wars film is less than minutes long.

I'm 95% confident that the first Star Wars film is less than minutes long.

I'm 99% confident that the first Star Wars film is less than minutes long.

I'm 80% confident that Elon Musk was born after the year .

I'm 95% confident that Elon Musk was born after the year .

I'm 99% confident that Elon Musk was born after the year .

I'm 80% confident that Big Ben is less than metres tall.

I'm 95% confident that Big Ben is less than metres tall.

I'm 99% confident that Big Ben is less than metres tall.

I'm 80% confident that Arsenal football club was founded after the year .

I'm 95% confident that Arsenal football club was founded after the year .

I'm 99% confident that Arsenal football club was founded after the year .

I'm 80% confident that Buffy the Vampire Slayer had fewer than episodes.

I'm 95% confident that Buffy the Vampire Slayer had fewer than episodes.

I'm 99% confident that Buffy the Vampire Slayer had fewer than episodes.

I'm 80% confident that Australia's top income tax rate (circa 2022) is more than %.

I'm 95% confident that Australia's top income tax rate (circa 2022) is more than %.

I'm 99% confident that Australia's top income tax rate (circa 2022) is more than %.

I'm 80% confident that China's population in November 2020 was less than million.

I'm 95% confident that China's population in November 2020 was less than million.

I'm 99% confident that China's population in November 2020 was less than million.

I'm 80% confident that the land area of Texas is more than square miles.

I'm 95% confident that the land area of Texas is more than square miles.

I'm 99% confident that the land area of Texas is more than square miles.

I'm 80% confident that the person who wrote this quiz was born before the year .

I'm 95% confident that the person who wrote this quiz was born before the year .

I'm 99% confident that the person who wrote this quiz was born before the year .

I'm 80% confident that Queen Victoria was more than years old when she died.

I'm 95% confident that Queen Victoria was more than years old when she died.

I'm 99% confident that Queen Victoria was more than years old when she died.

I'm 80% confident that the first episode of Doctor Who was broadcast before the year .

I'm 95% confident that the first episode of Doctor Who was broadcast before the year .

I'm 99% confident that the first episode of Doctor Who was broadcast before the year .

I'm 80% confident that the tallest human in recorded history was more than cm tall.

I'm 95% confident that the tallest human in recorded history was more than cm tall.

I'm 99% confident that the tallest human in recorded history was more than cm tall.

I'm 80% confident that Loch Ness' deepest point is less than metres deep.

I'm 95% confident that Loch Ness' deepest point is less than metres deep.

I'm 99% confident that Loch Ness' deepest point is less than metres deep.

I'm 80% confident that Earth's surface is more than % water.

I'm 95% confident that Earth's surface is more than % water.

I'm 99% confident that Earth's surface is more than % water.