As Shown in the Figure, a Container Has a Vertical

question 35

Multiple Choice

As shown in the figure, a container has a vertical tube, whose inner radius is 32.00 mm, connected to it at its side. An unknown liquid reaches level A in the container and level B in the tube level A being 5.0 cm higher than level B. The liquid supports a 20.0-cm high column of oil, between levels B and C, whose density is 460 kg/m³. What is the density of the unknown liquid?

• A) 1800 kg/m³
• B) 2000 kg/m³
• C) 1400 kg/m³
• D) 1600 kg/m³
• E) 1700 kg/m³

---

Definitions:

Sampling Error

Differences between statistics calculated from a sample and statistics pertaining to the population from which the sample is drawn due to random, chance factors.

Confidence Interval

A sequence of values, from sample statistic studies, expected to encase the value of a population characteristic not yet revealed.

Confidence Interval

A spectrum of numbers obtained from sample observations which is expected to include the value of an unidentified population parameter, given a certain confidence degree.

Confidence Interval

A range of values within which there is a specified probability that the true parameter value lies.