Ever wonder what 99'9% meant

1
Ever wonder what 99.9 meant?

• Is a goal of 99.9 good enough?
• 1 hour of unsafe drinking water every month
• 2 unsafe plane landings per day at OHare Airport
  in Chicago
• 16,000 pieces of mail lost by the U.S. Post
  Office every hour.

2
Ever wonder what 99.9 meant?

• 20,000 incorrect prescriptions every year
• 500 incorrect operations each week
• 50 babies dropped at birth every day
• 22,000 checks deducted from the wrong bank
  account each hour
• 32,000 missed heart beats per person each year