Answer the following questions about one area of town that is particularly prone to competition for Internet services where your company has 125 residential Internet customers and 87 business customers.

a. What is the probability that any single residential customer would experience download speeds below 57 Mbps? (Include a shaded probability plot with your answer.)

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap