Answer:
d. 11.6
Step-by-step explanation:
The results of the first die and the second one are independent to each other. The expected value of Z is obtained, therefore, by summing the expected values of both X and Y, because Z = X+Y and X and Y are independent. As a result 
Answer:
242
Step-by-step explanation:
sorry this is like kinda late, but there ya go
When using box and arrows is called using a box plot.
The correct answer is: A. 150 more students tickets sold than adult tickets.
It's easy you just need to multiply both numbers by 25