Why Was an AI,rather Than an RDA,established for Biotin

question 84

Multiple Choice

Why was an AI,rather than an RDA,established for biotin?

• A)There is no need for an RDA because biotin is produced by gastrointestinal bacteria.
• B)The AI is a more precise estimate of nutrient requirements than the RDA.
• C)The AI meets the needs of 50% of the population.
• D)It was not possible to establish an RDA because biotin,from gastrointestinal bacteria,is bioavailable.

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Definitions:

Expected Values

The expected value of a variable is determined by the total of all its potential outcomes, each weighted by its chance of happening.

Joint Probabilities

The probability of two or more events happening at the same time, often represented within a probability distribution.

Rule of 5

A guideline in statistics that suggests if the sample size is smaller than 5, certain statistical methods, such as normal approximation, may not be reliable.

Expected Values

The mean of a probability distribution, representing the average outcome one can expect to see.