The profit produced by combining sales of gold label and black label equals the total of their individual profits. From the table

you find the gold label's profit

and similarly from another table

find the black label's profit

. Adding these yields

. Thus, option 5 is the correct choice.
Part A:
The probability that all three strangers have their birthdays on a Wednesday is calculated as

Part B:
The probability that the birthdays of the three individuals fall on distinct days throughout the week is calculated as

Part C:
The probability that none of the three have their birthdays on a Saturday is determined by
Answer:
The least quantity of water needed to fill the sphere is 
Step-by-step explanation:
We know that
The volume of the sphere (the glass sphere) can be defined as

We have
----> the radius equals half the diameter
Let’s assume

Now substitute

