Asked by Neisha Bethly on Jun 27, 2024

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A company has surveyed a sample of its employees to find out how many might take advantage of a weight loss program.The table below shows the results.Give the 95% confidence interval for Building A for the proportion of employees who would be willing to participate in the program.Based on this interval,can we say that the proportion differs from 11%? At which level of significance are you making this decision?  Group  Number of  Employees  Number  Surveyed  Percent to  Participate  Building A 52002508% Building B 11901506% Building C 248209%\begin{array} { l | c | c | c } \text { Group } & \begin{array} { c } \text { Number of } \\\text { Employees }\end{array} & \begin{array} { c } \text { Number } \\\text { Surveyed }\end{array} & \begin{array} { c } \text { Percent to } \\\text { Participate }\end{array} \\\hline \text { Building A } & 5200 & 250 & 8 \% \\\text { Building B } & 1190 & 150 & 6 \% \\\text { Building C } & 248 & 20 & 9 \%\end{array} Group  Building A  Building B  Building C  Number of  Employees 52001190248 Number  Surveyed 25015020 Percent to  Participate 8%6%9%

Weight Loss Program

A structured plan designed to help individuals lose weight, often including dietary changes, exercise, and behavioral strategies.

Proportion of Employees

The ratio or percentage of a particular group of employees within a larger population or organization.

Participation

Involvement or engagement in an activity, process, or event by contributing effort, opinions, or resources.

  • Utilize and elucidate the "Plus Four" approach for determining confidence intervals for proportions.
  • Understand the application of confidence intervals within the realms of polling, research scenarios, and making decisions.
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SM
Salman MemonJun 28, 2024
Final Answer :
Building A (4.6%,11.4%)