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GuDViN [60]
3 years ago
10

A record label surveyed 150 random visitors to its website to discover whether they prefer metal, rock, hip-hop, or jazz. The su

rvey showed that 27 visitors preferred metal, 78 preferred rock, 21 voted for hip-hop, and 24 liked jazz. If the company estimates sales of 6,000 copies a week at its online store, how many will likely be from the rock genre?
1,040
3,000
3,120
4,200
Mathematics
2 answers:
mina [271]3 years ago
6 0

Answer:      C is the answer

Step-by-step explanation:

maria [59]3 years ago
4 0
Probability (rock) :

78 / 150 = 13/25 = 52%

Rock is preferred by 52% of the 150 visitors that were surveyed

To find how many people will likely sell from the rock genre, you need to find 52% of the estimated sales (6,000 copies).

      52% • 6000 = 3,120

Answer: C. 3,120
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Hey there!

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Often people remember PEMDAS by saying. (So, I’d advise you think of it like that way as well!)

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Tresset [83]
Although there i no triangle given as the question requires, I am still going to answer because I understand it.

ABC is a right angled triangle. The triangle is 90° at C.

The trigonometric ratio sine is given by, sine = opposite/hypotenuse .
Cosine = adjacent/hypotenuse
 
So therefore, Sin A = 24/30
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The correct answer would be 72.7%
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