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The table shows the results of four surveys that randomly sampled 50 families in a town about the number of pets their family has.

0 Pets 1 Pet 2 or More Pets Total
Survey 1, 12 13 25 50
Survey 2, 20 21 9 50
Survey 3, 10 13 27 50
Survey 4, 11 12 27 50
Identify surveys that are likely biased. Based on the unbiased surveys, what percent of the families in the town are expected to have 2 or more pets?

A: 40 %

B: 44 %

C: 53 %

D: 59 %

Respuesta :

Hagrid
Among the four survey results, there seems to be one that has a different trend. For Surveys 1, 3 and 4, the number of families that owns pets increases with the number of pets that they own. Survey 3 has a different result. This could be caused by a bias. Based on the three surveys, there around
25/50 = 50%
27/50 = 54%
27/50= 54%
C: 53 %
of the families in the town that are expected to have 2 or more pets

Answer:53

Step-by-step explanation:

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