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Solnce55 [7]
2 years ago
13

2) The following table presents the probability distribution of the number of vacations X taken last year for a randomly chosen

family. Compute the mean u.
x. 0. 1. 2. 3. 4
p(x) 0.13. 0.61. 0.15. 0.07. 0.04 ​
Mathematics
1 answer:
algol [13]2 years ago
3 0

The mean of the discrete probability distribution is of 1.28.

<h3>What is the mean of a discrete distribution?</h3>

The expected value of a discrete distribution is given by the <u>sum of each outcome multiplied by it's respective probability</u>.

Then, considering the given distribution, the mean is given by:

E(X) = 0(0.13) + 1(0.61) + 2(0.15) + 3(0.07) + 4(0.04) = 1.28.

More can be learned about the mean of a discrete probability distribution at brainly.com/question/24855677

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Terms written in the form a/b are fractions. For example 2/3. If you see 3 1/2 it should be 3 and 1/2
aliina [53]

Answer:

7/2??

Step-by-step explanation:

Im not sure what you mean but 3 1/2 is the same thing as 7/2

5 0
3 years ago
-4 + 4d + 17 = 33<br> D = ?
cricket20 [7]

Answer:

3?

Step-by-step explanation:

I think it is 3, because...

33 - 17 = 16

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7 0
3 years ago
Can someone help me real quick? I’ll give brainliest
blsea [12.9K]

Answer:

Number 4 will be Quadrant 3

Number 5 will be Quadrant 1

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Step-by-step explanation:

For number 6 it says a point so that is what I did sorry if i`m wrong

8 0
3 years ago
Read 2 more answers
Solve Ax + By = -C for x.<br> Ox=-By-C<br> А<br> x=-By+C<br> Ox=By=0
dimulka [17.4K]

Answer:

\textbf{Option 1}\\

Step-by-step explanation:

\textup{Given $ Ax + By = -C$}\\\textup{Subtracting $By$ on both sides, we get,}\\$ Ax = -C -By $\\

\textup{Dividing by $A$ on both sides, (Assuming $A$ is not equal to zero) we get }\\$$ x = \frac{-By -C}{A}$$

3 0
3 years ago
A large nest of recently hatched bald eagles is located at the top of the Eiffel Tower (which is 324 meters tall) and is attract
Mariulka [41]

9514 1404 393

Answer:

  80.5°

Step-by-step explanation:

The applicable trig function is the tangent.

  Tan = Opposite/Adjacent

In this scenario, the side opposite the angle is the tower height, 324 m. The side adjacent is the distance to the tower, 54 m. Then the angle α is related by ...

  tan(α) = 324/54

The value of the angle with this tangent is found using the arctangent function:

  α = arctan(324/54) ≈ 80.5°

She should set her binoculars to 80.5°.

6 0
3 years ago
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