Answer:
(See explanation for all answers)
Step-by-step explanation:
4.
A. 3/16
It says in the chart that 4 text messages have a probability of 3/16.
5.
D. 13/16
You just have to add up all the probabilities under four.
6.
B. 5/8
At least two messages means that you need to add up all the probabilities 2 and above.
Hope this helps!
-Luna
