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:
$0.90
Step-by-step explanation:
You are solving for the price of one watermelon (a unit of watermelon).
What is given to you is the price of 4 watermelons, or $3.60. To solve, simply divide $3.60 with 4:
3.60/4 = 0.90
$0.90 is your answer.
Remember to add the hundredth place value (0), as money goes to the hundredth place value.
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Answer:
58/100
Step-by-step explanation:
The first step is to make the two fractions have a common denominator. 5/10=50/100. Now you can add the two fractions together. 50/100+8/100=58/100. Hope this helps!
Answer:
?
Step-by-step explanation:
I can't see anything attached but I know all angles of a triangle add up to 180 degrees. It probably doesn't help tho.
Answer:
The answer to part B will be for length the mean is 2.08, the median is 2.6, and the mode is 2.6. For height the mean is 1.5, the median is 1.4, and there isn't a mode since no number repeat. It will the 0.6, 1.0, 1.4, 1.7, 2.8. Hope this helps!
Step-by-step explanation: