Probability, 2ADV EQ-Bank 6 MC

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 collected.

One response is randomly chosen. If the responder does not watch Anime, what is the probability they are 30 years old or under?

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\(C\)

Show Worked Solution

\(\text{Total respondents who don’t watch anime}\ = 184\)

\(\text{Total respondents 30 years and under who don’t watch amine}\ = 61\)

\(P\text{(30 or under)}|\text{no anime} = \dfrac{61}{184}=0.331… \)

\(\Rightarrow C\)