After scoring a touchdown, the Decatur Sallies attempt to kick for an extra point 85% of the time. The other 15% of the time, they attempt a running or passing play for two extra points. They are successful in 90% of their tries for one extra point and 40% of their tries for two extra points. If the sallies score a touch-down, what is the probability that they add at least on extra point?

Question

fortytherapper · Answer

Do you know how to convert percentages into a decimal over 1?

amistre64 · Answer

what are your thoughts?