With a margin of error of NUMBER@1 minutes , Old Faithful will erupt NUMBER@2 minutes after an eruption lasting less than NUMBER@3 minutes or NUMBER@4 minutes after an eruption lasting more than NUMBER@3 minutes .

With an error of NUMBER@1 minutes , Old Faithful will erupt NUMBER@2 minutes after an eruption lasting less than NUMBER@3 minutes or NUMBER@5 minutes after an eruption lasting more than NUMBER@3 minutes .
