kadeWayne
10.02.2021 •
Mathematics
I GIVE BRAINLIEST!!
A teacher surveys a sample of students from Lake middle school. He asked the students where did like to go for a field trip. He records these results:
-80 choose the aquarium
-60 choose the science Center
-30 choose the planetarium
-40 choose the farm
210 students were surveyed
The teacher wants to figure out the relative frequency of a student choosing the aquarium. He will then estimate how many students are all 1000 at the school are likely to choose the aquarium.
1) Suppose the teacher surveys one student at random. Based on the survey results, what is the estimated probability that the student chooses the aquarium?
2) Right and solve a proportion that the teacher can use to estimate how many students in the whole school would use the aquarium. Show your work
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Ответ:
The first thing we must do for this case is to find the conversion of rupees to US dollars.
Currently, the conversion is:
1 rupee = 0.014 $
Then, to find the amount of $ in 2000 rupees, we make the following rule of three:
1 rupee > 0.014 $
2000 rupees > x
From here, we clear the value of x.
We have then:
2,000 rupees are 28 US dollars.