> I need help with Math.?

I need help with Math.?

Posted at: 2014-06-09 
The two-way frequency table shows the results of a survey of a certain forest. Find the probability that a randomly chosen tree will be a California redwood tree taller than 300 ft. Round to the nearest thousandth. Trees in Forest Height of 300 ftOverUnderTotals California Redwood 25280305 Giant Sequoia35270305 Totals60550610 A. 0.459 B. 0.082 C. 0.417 D. 0.041