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choli [55]
4 years ago
15

A movie producer conducted a survey after the screening of his movie to find out how the film would be received by viewers from

different age groups. The columns in the two-way table indicate the numbers of viewers who rated the film on a four-point scale: excellent, good, average, and poor. Viewer's Age Group Excellent Good Average Poor Marginal Totals 16-25 52 42 12 7 113 26-35 33 50 5 9 97 36-45 58 12 28 34 132 46-55 25 17 22 12 76 56 and Above 12 5 3 8 28 Marginal Totals 180 126 70 70 446 41 Select the correct answer. What percentage of the audience from the 16-25 age group gave the movie a poor rating?
Mathematics
2 answers:
Komok [63]4 years ago
8 0

Answer:

the answer is A. 6.19%

Step-by-step explanation:

Nutka1998 [239]4 years ago
7 0

Answer:

<u>6.2% of viewers of the 16-25 age group gave the movie a poor rating and they represent 1.57% of the total audience.</u>

Step-by-step explanation:

1. Based on the information provided, this was rating that viewers from 16-25 age group qualified the movie:

Excellent : 52 viewers

Good : 42 viewers

Average: 12 viewers

Poor : 7 viewers

Total viewers of this age group: 113

Total audience: 446

Therefore the percentages calculated from the total viewers of this age group and from the total audience were:

Excellent : 52/113 = 46.02% and 52/446= 11.66%

Good : 42/113 = 37.17% and 42/446 = 9.42%

Average: 12/113 = 10.62% and 12/446 = 2.7%

Poor : 7/113 = 6.2% and 7/446 = 1.57%

2.  What percentage of the audience from the 16-25 age group gave the movie a poor rating?

<u>6.2% of viewers of the 16-25 age group gave the movie a poor rating and they represent 1.57% of the total audience.</u>

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1,3,9,27,81 are the number  factor of 81.
5 0
4 years ago
The coordinates of point a are 30 units of x and 70 units of y. the coordinates of point b are 28 units of x and 76 units of y.
Leni [432]
The first thing you should know is that the slope of the line that passes through two points, by definition is given by:
 m = (y2-y1) / (x2-x1)
 Substituting the values we have:
 m = (76-70) / (28-30)
 m = -3
 answer:
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6 0
4 years ago
Find the value of c that makes the expression a perfect square trinomial. x2 + 9 4 x + c
JulijaS [17]

The value of c is 81/64 for the expression a perfect square trinomial.

<h3>What is an Expression?</h3>

An expression can be defined as a mathematical statement that consists of variables, constants and mathematical operators simultaneously.

It is given that an expression

x² +9/4x +c is a perfect square polynomial

c =?

(a+b)² = a² +2ab+b²

2ab = 9/4

b = 9/8

c = b² = 81/64

Therefore the value of c is 81/64 for the expression a perfect square trinomial.

To know more about Expression

brainly.com/question/14083225

#SPJ1

5 0
2 years ago
I need help plz! It’s pre cal
Dmitry [639]

Please show a picture so that I can help you

3 0
4 years ago
Here is a table of values for y = f(x).
Firlakuza [10]

The true statements are:

B. f(-1) = 6

D. The domain for f(x) is the set {-2 , -1 , 0 , 1 , 2 , 3 , 4 , 5 , 6}

Step-by-step explanation:

The table:

  • →  x  :  -2  :  -1  : 0  :  1  :  2  :  3  :  4  :  5  :  6
  • →  y  :   5  :   6  : 7  :  8 :  9  :  10 :  11 :  12 :  13

∵ y = f(x)

∴ x is the domain of the function

∴ y is the range of the function

Use the table to find them

∵ The values of x are  -2 , -1 , 0 , 1 , 2 , 3 , 4 , 5 , 6

∴ The domain of f(x) is the set {-2 , -1 , 0 , 1 , 2 , 3 , 4 , 5 , 6}

∵ The values of y are 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13

∴ The range of f(x) is the set {5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13}

∵ f(5) means the value of y at x = 5

∵ The value of y at x = 5 is 12

∴ f(5) = 12

∵ f(-1) means the value of y at x = -1

∵ The value of y at x = -1 is 6

∴ f(-1) = 6

The true statements are:

B. f(-1) = 6

D. The domain for f(x) is the set {-2 , -1 , 0 , 1 , 2 , 3 , 4 , 5 , 6}

Learn more:

You can learn more about the function in brainly.com/question/7128279

#LearnwithBrainly

5 0
3 years ago
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