Answer:
P= 26
Step-by-step explanation:
The answer is 68 because is repeating 3 times
Answer:
$120
Step-by-step explanation:
150-20%
For some reason it says that my response has to be 20 characters long that's why I'm typing this.
Answer:
a) 0.2
b) 0.2
c) 0.5
Step-by-step explanation:
Let
be the event "the car stops at the signal.
In the attached figure you can see a tree describing all possible scenarios.
For the first question the red path describes stopping at the first light but not stopping at the second. We can determine the probability of this path happening by multiplying the probabilities on the branches of the tree, thus

For the second one the blue path describes the situation

For the las situation the sum of the two green path will give us the answer
