Suppose You Examine an Ultrasound Image of a Fetus, Who

question 109

Multiple Choice

Suppose you examine an ultrasound image of a fetus, who is sucking her right thumb. Generalizing from research presented in the text, what is the probability that this fetus will be right-handed at age 15?

• A) about 50%
• B) about 67%
• C) about 85 %
• D) about 100%

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Definitions:

Poisson Distribution

A probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time or space.

Significance Level

The significance level is a threshold in hypothesis testing, beyond which an observed effect is considered statistically significant, typically set at 0.05.

Fixed Interval

A concept in operant conditioning referring to a schedule of reinforcement where rewards are given after a specific, constant amount of time has passed.

Expected Cell Count

In the context of a chi-square test, the hypothesized count of occurrences in each category of a contingency table.