A survey of 370 people was conducted to investigate the association between watching Anime and the age of the person - HSC - SSCE Mathematics Standard - Question 12 - 2024 - Paper 1
Question 12
A survey of 370 people was conducted to investigate the association between watching Anime and the age of the person.
The two-way table shows the responses collecte... show full transcript
Worked Solution & Example Answer:A survey of 370 people was conducted to investigate the association between watching Anime and the age of the person - HSC - SSCE Mathematics Standard - Question 12 - 2024 - Paper 1
Step 1
Calculate the number of over 30-year-olds who watch Anime
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Answer
From the table, the number of over 30-year-olds who watch Anime is 34.
Step 2
Calculate the total number of over 30-year-olds
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Answer
The total number of over 30-year-olds is given in the table as 157.
Step 3
Calculate the percentage of over 30-year-olds who watch Anime
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Answer
To find the percentage, use the formula:
ext{Percentage} = rac{ ext{Number who watch Anime}}{ ext{Total number of over 30-year-olds}} imes 100
