The following table describes the results of roadworthiness tests of Ford Focus cars that are three years old (based on data from the Department of Transportation). The random variable x represents the number of cars
That failed among six that were tested for roadworthiness: $$\begin{array} { | c | c | }
\hline x & P ( x ) \
\hline 0 & 0.377 \
\hline 1 & 0.399 \
\hline 2 & 0.176 \
\hline 3 & 0.041 \
\hline 4 & 0.005 \
\hline 5 & 0 + \
\hline 6 & 0 + \
\hline \hline
\end{array}$$ Find the probability of getting three or more cars that fail among six cars tested.
A) 0.222
B) 0.048
C) 0.005
D) 0.046

Question

The following table describes the results of roadworthiness tests of Ford Focus cars that are three years old (based on data from the Department of Transportation). The random variable x represents the number of cars
That failed among six that were tested for roadworthiness: $$\begin{array} { | c | c | } 
\hline x & P ( x ) \
\hline 0 & 0.377 \
\hline 1 & 0.399 \
\hline 2 & 0.176 \
\hline 3 & 0.041 \
\hline 4 & 0.005 \
\hline 5 & 0 + \
\hline 6 & 0 + \
\hline \hline
\end{array}$$ Find the probability of getting three or more cars that fail among six cars tested.
A) 0.222
B) 0.048
C) 0.005
D) 0.046

Quizplus · Accepted Answer

The Answer of The following table describes the results of roadworthiness tests of Ford Focus cars that are three years old (based on data from the Department of Transportation). The random variable x represents the number of cars
That failed among six that were tested for roadworthiness: $$\begin{array} { | c | c | } 
\hline x & P ( x ) \
\hline 0 & 0.377 \
\hline 1 & 0.399 \
\hline 2 & 0.176 \
\hline 3 & 0.041 \
\hline 4 & 0.005 \
\hline 5 & 0 + \
\hline 6 & 0 + \
\hline \hline
\end{array}$$ Find the probability of getting three or more cars that fail among six cars tested.
A) 0.222
B) 0.048
C) 0.005
D) 0.046

The Following Table Describes the Results of Roadworthiness Tests of Ford