Which of the Following Statements Is Incorrect

question 53

Multiple Choice

Which of the following statements is incorrect?

• A)Pacemakers for heart patients are powered by a plutonium-238 power device.
• B)Iodine-131 is used for diagnosing thyroid tumors since iodine is preferentially absorbed by the thyroid gland.
• C)Metastable technetium-99 is used for medical diagnosis because it is absorbed by tumor cells, but not normal brain cells.
• D)Carbon-14 is used for PET imaging due to its long half-life and stability.
• E)Gamma radiation from cobalt-60 is used to treat cancer patients.

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Definitions:

SRS

Simple Random Sampling, a method of sampling where every individual has an equal chance of being selected from a population.

T Procedure

A statistical method used to infer the unknown mean of a population based on a sample mean, especially when the sample size is small.

Non-Normality

A characteristic of a dataset that deviates from the bell-shaped curve associated with a normal distribution, potentially affecting statistical tests.

Skewness

Skewness is a measure of the asymmetry of the probability distribution of a real-valued random variable about its mean, indicating how much the distribution leans towards the left or right.