Question

34. A complete cycle of a traffic light
takes 60 seconds. During each
cycle the lights is green for 25
seconds, yellow for 5 seconds,
and red for 30 seconds. At a ran-
domly chosen time, the proba-
bility that the light will not be
green:
1
1
(1)
(1
)
(2) 4
a W
Bolv Al-
7
(3)
(4)
12
12​

Answer 1

Answer:

probability=time where green will not occur/total time

=35/60

=7/12