A Binomial Distribution Has 50 Trials (N = 50)with a Probability

question 18

Multiple Choice

A binomial distribution has 50 trials (n = 50) with a probability of success of 0.50 (π = 0.50) . To use the normal distribution to approximate the binomial,what are the mean and standard deviation?

• A)µ = 25 and σ = 3.5355
• B)µ = 25 and σ = 12.5
• C)µ = 25 and σ = 4.33
• D)µ = 50 and σ = 100

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Definitions:

L-DOPA

A precursor to dopamine used as a medication to treat Parkinson's disease and dopamine-responsive dystonias, by increasing dopamine levels in the brain.

Parkinson's Disease

A progressive neurological disorder that affects movement, causing symptoms such as tremors, stiffness, and balance issues.

Phenylalanine

An essential amino acid required for the body's production of proteins and certain brain chemicals. It is obtained through diet.

GABA

Gamma-Aminobutyric Acid, an inhibitory neurotransmitter in the brain that helps control neural activity.