Makati and his friends rolled two fair number cubes 500 times and recorded the sum of the numbers shown on the cubes each time. On 42 of the trails sum was 10. Which of these is fair number cubes are rolled

Makati and his friends rolled two fair number cubes 500 times and recorded the sum of the numbers shown on the cubes each time On 42 of the trails sum was 10 Wh class=