Question

The residents of three towns were polled to find the percentage of residents who take a vacation in the summer or in the winter. A 4-column table with 4 rows. The first column has no label with entries town 1, town 2, town 3, total. The second column is labeled summer with entries 567, 345, 143, 1,055. The third column is labeled winter with entries 87, 102, 158, 347. The fourth column is labeled total with entries 654, 447, 301, 1,402. Which is the joint relative frequency of those in Town 2 who take a summer vacation? Round the answer to the nearest percent. 7% 10% 25% 75%

Answer 1

Answer: 25%

Step-by-step explanation:

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Answer 2

The joint relative frequency of those in Town 2 who take a summer vacation is approximately 25.

            Summer    Winter     Total

Town 1    567           87            654

Town 2   345           102           447

Town 3  143            158           301

             1055           347          1402

What is the joint relative frequency?

Joint relative frequency is the ratio of a particular frequency to the total frequency.

So, the joint relative frequency of those in Town 2 who take a summer vacation = (Number of residents in town 2 taking summer vacations)/ (total number of residents in all three towns)

The joint relative frequency of those in Town 2 who take a summer vacation =345/1402 =24.60 ≈25

Thus, the joint relative frequency of those in Town 2 who take a summer vacation is approximately 25.

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