Construct a 95% Confidence Interval for the Population Mean $\mu.$ Assume the Population Has a Normal Distribution

question 24

Multiple Choice

Construct a 95% confidence interval for the population mean, $\mu.$ Assume the population has a normal distribution. A random sample of 16 fluorescent light bulbs has a mean life of 645 hours with a standard
Deviation of 31 hours.

• A)(628.5, 661.5)
• B)(876.2, 981.5)
• C)(531.2, 612.9)
• D)(321.7, 365.8)

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Definitions:

Stable Conformation

The spatial arrangement of atoms in a molecule that is energetically favorable and has lower internal strain.

Cis-1,4-Dipropylcyclohexane

A cyclohexane derivative where two propyl groups are positioned on the same side of the cyclohexane ring at the 1st and 4th positions.

Stable Conformation

A molecular arrangement that is in a low energy state, making it less reactive and more resistant to changes.

Cis-1,2-Dimethylcyclohexane

An organic compound where two methyl groups are positioned on the same side of a cyclohexane ring, affecting its chemical and physical properties.