The Use of the Standard Normal Distribution for Constructing Confidence

question 143

Multiple Choice

The use of the standard normal distribution for constructing confidence interval estimate for the population proportion p requires:

• A) nand n(1 -)both greater than 5.
• B) np and n(1 - p)both greater than 5.
• C) n(1 +)and n(1 -)both greater than 5.
• D) sample size greater than 5.

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Definitions:

[HCO3-]

[HCO3-] is the chemical notation for the bicarbonate ion, a key intermediate in the carbon dioxide transport and pH balance mechanisms in living organisms.

pH

A measure of the hydrogen ion concentration in a solution, indicating its acidity or alkalinity on a scale where 7 is neutral, lower values are acidic, and higher values are basic.

K

Potassium, an essential dietary mineral and elemental metal with the atomic symbol 'K', crucial for nerve function and muscle contraction.

pH

A scale that measures how acidic or basic water-based solutions are, stretching from 0 to 14.