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irga5000 [103]
3 years ago
13

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? 
SAT
1 answer:
Maurinko [17]3 years ago
6 0
\text{\huge{\red{\underline{SOLUTION}}}}

\textbf{\red{Total robots = 106}}

\textbf{\red{Number of robots with both legs}}\\ \textbf{\red{and wheels = 8}}

\textbf{ \red{Relative frequency} }= \red {\frac{8}{106} \times 100 = 7.55 }
 
\textbf{ \red{Relative frequency is 7.55 percent}}
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