Robotics manufacturers can design mobility features in one of several ways. robots can have legs, wheels, both legs and wheels, or no legs or wheels. using a random sample of 106 robots, researchers found that 63 had legs only, 20 had wheels only, 8 had both legs and wheels, and 15 had no legs or wheels. what's the relative frequency of robots with both legs and wheels?  

answer:

a

explanation:

but i personally believe that it is a fruit that is a brother to the banana

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i havent taken the psat, but i have the sat, make sure to bring some snacks, because youre in there forever, 2 sharp number two pencils, an sat approved calculator, and maybe a jacket.   your phone and any books will be taken up, so don't try to bring them(but they will be given back at the end of the testing).   good luck!   i hope you do well!

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enjoy ur chat with ; -;