A Researcher Asks Carlos, "What Do You Think Would Happen

question 414

Multiple Choice

A researcher asks Carlos, "What do you think would happen if it suddenly became possible for people to fly, like birds, without the aid of airplanes?" Carlos comes up with several interesting possibilities about "human flight." Carlos is most likely in the ___________ stage.

• A)sensorimotor
• B)preoperational
• C)concrete operational
• D)formal operational

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Definitions:

Standard Normal Random Variable

A random variable with a mean of zero and a standard deviation of one, following a normal distribution.

Probability

A numeric scale between 0 and 1 that quantifies how likely an event is to take place.

z

In statistics, 'z' typically refers to a z-score, a measure of how many standard deviations an element is from the mean.

Standard Normal Random Variable

A random variable that has a normal distribution with a mean of 0 and a standard deviation of 1.