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Liula [17]
3 years ago
14

Two hundred people were asked if they had read a book in the last month. The accompanying contingency table, cross-classified by

age, is provided below.
Under 30

30 +

Yes

76

65

No

24

35

Business
1 answer:
Rainbow [258]3 years ago
3 0

<em>Question Continuation</em>

<em>The probability that a respondent read a book in the last month and is at least 30 years old is the closest to </em>

<em> A. 0.33 </em>

<em> B. 0.88 </em>

<em> C. 0.46 </em>

<em> D. 0.12 </em>

<em>See Attachment for complete question </em>

Answer:

A. 0.33

Explanation:

To solve this question, we need the intersecting cell of Yes and 30+

n(Yes\ n\ 30+) = 65

The probability is then calculated as follows:

P(Yes\ n\ 30+) = \frac{n(Yes\ n\ 30+)}{Total}

Where Total = 200

P(Yes\ n\ 30+) = \frac{65}{200}

P(Yes\ n\ 30+) = 0.325

From the list of given options; (A) is the closest to 0.325

Hence:

<em>Option A answers the question</em>

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