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Studentka2010 [4]
3 years ago
9

Yesterday 160 guest at a hotel called for room service, and 240 guest did not called for room service. What is the percentage of

the guest at this hotel called for room service yesterday?
Options

A: 60%
B: 33%
C: 40%
D: 67%

Please help!
Mathematics
1 answer:
Dmitry [639]3 years ago
8 0
160/400
80/200
40/100
C
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Please help! I really don't understand!
Varvara68 [4.7K]
A. yes this is a statistical question. it is a statistical question because you can answer the question by collecting data.


b. some clusters are.. 3,4,5, and 6 they are clusters because they are assembled around a particular value. the peak is 6 because it is the highest number it reaches. there are no gaps in this table.



c. to calculate the average with a graph you sum the numbers then divide by the total number of values in the set. for this table you add 1+2+3+3+4+4+4+5+5+5+5+5+5 then you divide by 15.

1+2+3+3+4+4+4+5+5+5+5+5+5=51

51 ÷ 15= 3.4



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In a dance competition, a participant has to score a total of at least 30 points in the first four rounds combined to move on to
brilliants [131]
If he got 5 points in the first round and he needed at least thirty he would score 9 points in the next three rounds
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To show that polygon ABCDE is congruent to polygon FGHIJ, a must be used to make the two polygons coincide. A sequence of two tr
Sati [7]
Hello.

The minimum number of rigid transformations required to show that polygon ABCDE is congruent to polygon FGHIJ is 2 (translation and rotation). 

A rotation translation must be used to make the two polygons coincide. 

A sequence of transformations of polygon ABCDE such that ABCDE does not coincide with polygon FGHIJ is a translation 2 units down and a 90° counterclockwise rotation about point D 

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miskamm [114]
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