X Is a Normally Distributed Random Variable with a Mean

question 43

Multiple Choice

X is a normally distributed random variable with a mean of 5 and a variance of 4. The probability that X is greater than 10.52 is

• A)0.0029
• B)0.0838
• C)0.4971
• D)0.9971

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Definitions:

Hydroxide Ion

A negatively charged ion made of oxygen and hydrogen (OH-), commonly found in bases.

Organic Extraction

A separation process for removing one or more compounds from a mixture using an organic solvent.

Neutral Organic

Organic compounds that are neither acidic nor basic, often characterized by their lack of charged functional groups.

Aqueous Layer

The aqueous layer is the water-based layer that forms during the separation of mixtures in liquid-liquid extraction, often distinguishable from organic layers due to its density and solubility properties.