in a jar of 250 jelly beans a random sample of 25 is told in the random sample of 15 of the jelly beans are red how many jelly beans are most likely to be right in the entire jar

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?