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kolbaska11 [484]
3 years ago
8

A radio station surveyed a group of men and women, asking them to name the genre of music they prefer. This table shows the surv

ey results.
              Pop Jazz Rock Hip-Hop  
Men       16     38   101      45
Women  91    48    22     39




Which statements about this data are true? Round your answers to the nearest hundredth.

A. The relative frequency of people who prefer jazz who are women is 0.24.
B. The relative frequency of men who prefer hip-hop is 0.54.
C. The relative frequency of people who prefer rock who are men is 0.50.
D. The relative frequency of women who prefer pop is 0.46.
E. The relative frequency of people who prefer hip-hop who are women is 0.46.
Mathematics
2 answers:
Free_Kalibri [48]3 years ago
8 0
Total people:
16 + 38 +101 +45 + 91 + 48 + 22 + 39 = 400
 total men: 16 + 38 + 101 + 45 = 200
total women = 400-200 = 200

total pop: 16+91 = 107
jazz = 38+48 = 86
rock: 101+22 = 123
hip hop: 45 +39 = 84

A. 48 / 400 = 0.12

B. 45/200 = 0.23

C. 101/400 = 0.25

D. 91/200 = 0.46

E: 39/400 = 0.10
 D is the only correct one if I did my math correctly


Murrr4er [49]3 years ago
6 0

Answer:

it is A and D

Step-by-step explanation:

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NikAS [45]

Answer:

The small balloon bouquet uses  7 balloons and the large one uses

18 balloons.

Step-by-step explanation:

Let's say that small balloon bouquets are S and large balloon bouquets are L. For the graduation party the employee assembled 6 small bouquets and 6 large bouquets, the total number of balloon used is 150. To put the sentence into an equation will be:

6S + 6L= 150

S+L= 25   ----> 1st equation

For Father's Day, the employee uses 6 small bouquet and 1 large bouquet, the total number of balloons used is 60. The equation will be:

6S + 1L= 60

1L= 60- 6S   ----> 2nd equation

We can solve the number of small balloon bouquet by substitute the 2nd equation into 1st. The calculation will be:

S+L = 25

S+ (60-6S)= 25

-5S= 25-60

-5S= -35

S= -35/-5

S=7

Then we can find L by substitute S value to 1st or 2nd equation.

S+L=25

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3 0
3 years ago
Read 2 more answers
What’s the answer to 3\4(8x + 12) = 3
Artemon [7]

Answer:

x = - 1

Step-by-step explanation:

\frac{3}{4} (8x + 12) = 3 ( multiply both sides by 4 to clear the fraction )

3(8x + 12) = 12 ( divide both sides by 3 )

8x + 12 = 4 ( subtract 12 from both sides )

8x = - 8 ( divide both sides by 8 )

x = - 1

4 0
2 years ago
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A rectangular container measuring 20 inches long by 16 inches wide by 12 inches tall is filled to its brim with water. If 850 cu
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The new height of the water is = 9.34 inches (approx)

Step-by-step explanation:

Given, a rectangular container measuring 20 inches long by 16 inches wide by 12 inches tall is filled to its brim with water.

Let the new height of water level be x inches.

The volume of the container = (20×16×12) cubic inches

                                               =3840  cubic inches

According to the problem,

3840 - (20×16×x) = 850

⇔3840 -320x = 850

⇔-320x =850-3840

⇔-320 x = -2990

\Leftrightarrow x =\frac{2990}{320}

⇔x = 9.34 inches

The new height of the water is = 9.34 inches (approx)

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Answer:

186

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