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Karo-lina-s [1.5K]
4 years ago
5

Data show that men who are married, and also divorced or widowed men, earn quite a bit more than men the same age who have never

been married. This does not mean that a man can raise his income by getting married because men who have never been married are different from married men in many ways other than marital status. Suggest one possible lurking variable that might help explain the association between marital status and income.
Mathematics
1 answer:
lozanna [386]4 years ago
4 0

Answer:

Work ethic, is a lurking variable, because the work ethic i.e the number of hours worked overtime of single men is often less, while the length of breaks is often more compared to married, divorced or widowed men.

Step-by-step explanation:

In to gain a better understanding of the above answer we need to known that

Men who are married, widowed, or divorced are usually more committed both in their personal and professional lives because of the responsibility of not only taking care of them self but their family, enabling them to succeed in their careers.

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7 0
3 years ago
Let X denote the distance (m) that an animal moves from its birth site to the first territorial vacancy it encounters. Suppose t
hammer [34]

Answer:

a) P(X<100)=0.7855

P(X<200)=0.9418

P(100<X<200)=0.1830

b) P(X>M+2σ)=0.0498

c) Median = 48.74 m

Step-by-step explanation:

If the distance X is modeled by an exponential distribution, with parameter λ=0.01422, we have:

The cumulative probability function can be expressed as:

F(x)=1-e^{-\lambda x}=1-e^{-0.01422 x}

a) The probability that the distance is at most 100 m is:

F(100)=1-e^{-0.01422\cdot 100}=1-e^{-1.422}=1-0.2412=0.7588

The probability that the distance is at most 200 m is:

F(200)=1-e^{-0.01422\cdot 200}=1-e^{-2.844}=1-0.0582=0.9418

The probability that the distance is between 100 and 200 m is:

F(200)-F(100)=0.9418-0.7588=0.1830

b) The mean is M=1/λ=70.3235 and the standard deviation σ=1/λ=70.3235.

So we have to calculate the probability that X exceeds 2 times the s.d. from the mean:

x=M+2\sigma=70.3235+2*70.3235=210.97\\\\P(x>210.97)=1-F(210.97)\\\\P(x>210.97)=e^{-0.01422*210.97}=e^{3}=0.0498

c) The value of the median distance is

Median=ln(2)/\lambda=0.69314/0.01422=48.74

7 0
3 years ago
Round the number 246.13687 to the nearest thousandth
sashaice [31]

Answer:

246.137

Step-by-step explanation:

246.13687 ≈ 246.137 (rounded to the nearest thousandth)

7 0
3 years ago
What is the equation, in point-slope form, of the line passing through the point (8, -3) with a slope of 5?
Sunny_sXe [5.5K]

Answer:

y - y1 = m*(x - x1) where m = slope and (x1,y1) is the point. hope it helped

Step-by-step explanation:

7 0
3 years ago
I will give brainliest please help me easy math question!!!!!!!!!!!
maria [59]

Answer:

1. -1/2b

2. 3a/b^2

3. 3b^2/1a^2

4. -1a^2b/2

Step-by-step explanation:

Simplified answers and then the variables cancel out each out as much as they can (That's the best way to explain it)

7 0
3 years ago
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