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:
х
0
1
P(x)
0.377
0.399
0.176
0.041
0.005
2
3
4
5
0+
16
0+
Find the probability of getting three or more cars that fail among six cars tested.