A Round Coin Has a Diameter of 19 $5.37 \times 10 ^ { 3 } \mathrm {~kg} / \mathrm { m } ^ { 3 }$

question 31

Multiple Choice

A round coin has a diameter of 19.55 mm , a thickness of 1.55 mm , and a mass of 2.50 g. What is its density?

• A) \(5.37 \times 10 ^ { 3 } \mathrm {~kg} / \mathrm { m } ^ { 3 }\)
• B) \(2.68 \times 10 ^ { 3 } \mathrm {~kg} / \mathrm { m } ^ { 3 }\)
• C) \(1.34 \times 10 ^ { 3 } \mathrm { kq } / \mathrm { m } ^ { 3 }\)
• D) \(1.86 \times 10 ^ { - 4 } \mathrm {~kg} / \mathrm { m } ^ { 3 }\)
• E) \(21.5 \times 10 ^ { 3 } \mathrm {~kg} / \mathrm { m } ^ { 3 }\)

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Definitions:

National Average

The average of a specific set of measurements or data points across the entire nation.

Confidence Interval

An estimate indicating the range within which a population parameter is likely to lie, with a certain degree of certainty, based on data from a smaller sample.

Margin of Error

An expression of the amount of random sampling error in survey results, indicating a range within which the true population parameter is expected to lie.

Sample Size

The number of individual observations or data points collected and used in a statistical analysis.