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topjm [15]
2 years ago
14

Helpppp Meee Pleasee for brainliesttt

Mathematics
1 answer:
lawyer [7]2 years ago
6 0
Correct answer should be m+7

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The Pew Research Center finds that the demographic make-up of political parties is changing drastically through the election cyc
patriot [66]

Answer:

(a)0.34

(b)0.5

(c)0.185

(d)0.544

(e)0.655

(f)Not disjoint events

(g)Independent events

Step-by-step explanation:

The summary of education levels among party lines is given in the table below

\left|\begin{array}{c|ccc}&$Democrat &$Republican &$Total\\--&--&--&--\\$College Degree &37 &31 &68\\$No College Degree& 63 &69 &132\\--&--&--&--\\$Total &100 &100& 200\end{array}\right|

(a)Probability a randomly selected participant has a college degree.

The probability a randomly selected participant has a college degree is:

=\dfrac{68}{200} =0.34

(b)The probability that a randomly selected participant is a democrat.

=\dfrac{100}{200} =0.5

(c)The probability that a randomly selected participant is a democrat and has a college degree.

=\dfrac{37}{200} =0.185

(d)Probability of being a democrat given that the participant has a college degree.

=\dfrac{37}{68} \approx 0.544

(e)The probability of begin a democrat or having a college degree

Number of Democrats =100

Number of Those with College degrees = 68

Number of democrats with College degrees =37

Therefore:

Probability of begin a democrat or having a college degree

=\dfrac{100+68-37}{200} \\=\dfrac{131}{200}\\\\=0.655

(f)The event of having a college degree and being a democrat are not disjoint events as there are some democrats who have a college degree.

(g)The event of having a college degree and being a democrat are independent events as the outcome of one does not affect the other.

6 0
4 years ago
Help me with this problem please!!!!!
lorasvet [3.4K]
I hope you already know how to find the volume of the prism and cylinder.  It is just base x height.

Anyway F and G is correct.
So the volume of the prism: 576
The volume of the cylinder: 942

That means the prism takes 576/942 of the cylinder which is roughly 61%, not 75% as stated by H.

Therefore the answer is H.
5 0
4 years ago
Point A, coordinates (4,3), is reflected onto its image Point A', coordinates (4,-5). Determine the line of reflection.
viktelen [127]
Y= -1 It is 4 units from 3 and -5.
3 0
3 years ago
Help with the below image… Thank you!
Marianna [84]

Answer: third one

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
Jenna has 3 red balloons and 5 blue balloons. The ratio of the number of red balloons to the number of blue balloons is . She ad
fiasKO [112]
Jenna has 3 red balloons and 5 blue balloons.

The ratio of the number of red balloons to the number of blue balloons is
3:5

She adds 2 red balloons and removes 1 blue balloon.
The new ratio of the number of red balloons to the number of blue balloons is
3+2:5-1
5:4
8 0
3 years ago
Read 2 more answers
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