Solve the Problem $\begin{array} { c c c c c c c } 1.3 & 7.2 & 4.2 & 12.5 & 6.6 & 2.5 & 5.5 \end{array}$

question 96

Multiple Choice

Solve the problem.
-A simple random sample of students is selected, and the students are asked how much time they spent preparing for a test. The times (in hours) are as follows: $\begin{array} { c c c c c c c } 1.3 & 7.2 & 4.2 & 12.5 & 6.6 & 2.5 & 5.5 \end{array}$
Based on these results, a confidence interval for the population mean is found to be $\mu = 5.7 \pm 4.4$ . Find the degree confidence.

• A)90%
• B)95%
• C)98%
• D)99%

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Definitions:

Design For Remanufacturing

The process of designing products so that they can be easily disassembled and reassembled or refurbished for future use.

Manufacturer

An entity engaged in the business of producing goods for sale, typically on a large scale, involving machinery and labor.

Tragedy Of The Commons

A situation in which individual users, acting independently according to their own self-interest, deplete or spoil shared resources, leading to long-term depletion or damage for all users.

Public Asset

Resources or properties owned by the government or a public entity, meant to provide benefits or services to the community.