The Mean of a Normal Distribution Is 400 Kg

question 35

Multiple Choice

The mean of a normal distribution is 400 kg. The standard deviation is 10 kg. What is the area between 415 kg and the mean of 400 kg?

• A) 0.5000
• B) 0.1932
• C) 0.4332
• D) 0.3413

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Definitions:

Continuous Random Variable

A type of random variable that can take an infinite number of possible values in a continuum or interval on the number line.

P(x > a)

Represents the probability of a random variable X taking a value greater than a specific number a.

P(x = a)

Represents the probability that a discrete random variable X takes on a specific value a.

Binomial Distribution

A probability distribution that summarizes the likelihood that a value will take one of two independent states across a number of trials or instances.