Using only mental calculation, how closely can you approximate 89/99 as a decimal?
Asked by LostInParadise (19637 ) February 16th, 2013
Hint: If a team has a record of 89 wins out of 99 games, how much can its winning percentage change after playing one more game? Think in terms of weighted averages.
Observing members: 0 Composing members: 0
Wow! You've got 847 knowledge matches!Want to see them? Join Fluther!