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Lyrx [107]
3 years ago
6

A study was conducted of the trend in the design of social robots. In a random sample of 113 social​ robots, 67 were built with

legs only​, 21 were built with wheels only​, 9 were built with both legs and wheels​, and 16 were built with neither legs nor wheels. Use the rule of complements to find the probability that a randomly selected social robot is designed with either legs or wheels or both.
Mathematics
1 answer:
Leno4ka [110]3 years ago
4 0

Answer:

97/113

Step-by-step explanation:

67 robots have legs only, 21 have wheels only, and 9 have both legs and wheels.  The total number of robots with legs and/or wheels is 97.

The probability is 97/113.

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