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IrinaVladis [17]
2 years ago
5

A group of randomly selected Wesley High School students were asked to pick their favorite gym class. The table shows the result

s of the survey. There are 640 students at Wesley High School.
Based on the data, is 150 a reasonable estimate for the number of students at Wesley High School whose favorite gym class is a team sport?

A) No, because the proportion of the sample whose favorite gym class is a team sport is about 9%.
B) Yes, because the proportion of the sample whose favorite gym class is a team sport is about 9%.
C) No, because the proportion of the sample whose favorite gym class is a team sport is about 23%.
D) Yes, because the proportion of the sample whose favorite gym class is a team sport is about 23%.
Mathematics
2 answers:
Temka [501]2 years ago
8 0

Answer:

the answer is D

Step-by-step explanation:

I am Lyosha [343]2 years ago
6 0
I think the answer is b
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Devide 840 in the ratio 3:4​
tia_tia [17]

Answer:

360:480

We know the total (840) so add the ratio: 3 + 4 =7

Divide 840 by 7 = 120

Multiply each part of the ratio by 120

3 x 120 = 360

4 x 120 = 480

Step-by-step explanation:

6 0
3 years ago
The following proportions were written on the board by Ms. Warren.​
Elenna [48]

Answer:

see explanation

Step-by-step explanation:

A

given

\frac{3.6}{5.7} = \frac{f}{9.5} ( cross- multiply )

5.7f = 34.2 ( divide both sides by 5.7 )

f = 6

-----------------------------------------------------

B

given

\frac{3.6}{5.7} = \frac{16.2}{g} ( cross- multiply )

3.6g = 92.34 ( divide both sides by 3.6 )

g = 25.65

6 0
3 years ago
A postage box should weigh 1.0 pound. If there is a 5% error on the weight, what is the range of acceptable weight?
Nadya [2.5K]

Answer: 0.95

Step-by-step explanation: 1.0 and 10% is 0.10 so 5% is 0.5 and if u take 0.5 away from 1.0 it’s 0.95

7 0
3 years ago
Which relation is a function? A. X -14,-9-1,4,6 Y 6,2,-3,2,4 B. X -2,1,9,9,15 Y -3,-3,0,-8,12 C. X -4,6,6,7,9 Y -1,-3,-1,15,1 D.
Butoxors [25]
❅☃ To find a function you need to look at the x values, if one of the same x value is repeated more then once, it is considered a non function.
❅☃ Option A:
-14
-9
-1
4
6
As you can see no repeated values.
Therefore A is already our function but lets look at the others just in case. 
❅☃ Option B
-2
1
9
9
15
9 was repeated therefore it is a non function.
❅☃ Option C
-4
6
6
7
9
6 was again repeated. Non function.
❅☃ And lastly, D.
-16
-11
10
10
16
10 was reapted. Non function.
❅☃ Your answer is A
8 0
3 years ago
The estimated regression equation is = 7.6 + .9x. what is the value of the standard error of the estimate (to 2 decimals)?
kupik [55]
Any answer things? :/
4 0
3 years ago
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