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# What is the estimated 95% confidence interval (CI) of the proportion of schoolchildren developing nausea and vomiting following holiday parties?

What is the estimated 95% confidence interval (CI) of the proportion of schoolchildren developing nausea and vomiting following holiday parties?

Please note the following: 1) 0 and 1 are defined as no and yes, respectively, which is a typical coding scheme in Public Health; 2) you might calculate a CI that is different from any of the multiple choice options listed below due to rounding differences, therefore select the closest match; and 3) you may copy and paste the data into Excel to facilitate analysis.

Select one:

a. 0.287 to 0.879

b. 0.326 to 0.785

c. 0.355 to 0.887

d. 0.292 to 0.711

Subject

Nausea and

Vomiting?

1

0

2

1

3

1

4

1

5

0

6

1

7

0

8

1

9

0

10

1

11

1

12

1

13

1

14

0

15

0

16

0

17

0

18

1

Please show your work

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