No. I would say 50/50 chance. This answer probably isnt helpful :/
Answer:
8
Step-by-step explanation:
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
All you have to do is 3.14×6×10
Which is 188.4
-320. The negative sign represents loss. In all of the other cases, values are either being added or not changed at all.