419,761 views
35 votes
35 votes
PLS HELP ITS DUE IN 30 MINUTES teacher surveys a sample of students from Lake Middle School. He asks the students where they’d like to go for a field trip. He records these results:

Shape80 choose the aquarium.


ShapeShape60 choose the science center. 30 choose the planetarium.


Shape40 choose the farm.




The teacher wants to figure out the relative frequency of a student choosing the aquarium. He will then estimate how many students out of all 1000 at the school are likely to choose the aquarium.




Answer the questions to solve the problem.




1. How many students did the teacher survey?




Write your answer in the space below.




2.What is the relative frequency of a student choosing the aquarium? Give your answer as a decimal rounded to the nearest hundredth. Show your work.




Write your answer in the space below.







3. Suppose the teacher surveys one student at random. Based on the survey results, what is the estimated probability that the student chooses the aquarium?

Write your answer in the space below.

User Ranjith R
by
2.3k points

2 Answers

19 votes
19 votes
2/10 i think that’s what it is
User Soltysh
by
3.2k points
24 votes
24 votes

Answer:

Answer: 210/1000

Explanation:

80+ 60+30+40= 210/100

User Thrastylon
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2.5k points