Answer: $85,000
Step-by-step explanation:
Given : In a given population of two-earner male-female couples, male earnings have a mean of $40,000 per year and a standard deviation of $12,000.

Female earnings have a mean of $45,000 per year and a standard deviation of $18,000.

If C denote the combined earnings for a randomly selected couple.
Then, the mean of C will be :-

Hence, the mean of C = $85,000
Answer:
you can use math to explain others wrong by maybe doing calculations
Step-by-step explanation:
Answer:
1/3
Step-by-step explanation:
Use the Up/to left or right rule to help you
Find a start point (or the one the gave you (3,2)) and then follow the line to the next point that crosses exactly over where to points cross (where poth x and y would be whole numbers) count how many times the point moved up, then how many time it moved left. Put the first over the second in fraction form and there is your slope.
Answer:
w = 242
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
Step 2: Subtract 253 from both sides.
Step 3: Divide both sides by -1.
Step 4: Check if solution is correct.
Therefore, w = 242.
Have a lovely rest of your day/night.