The Binomial Random Variable X Consists of N = 60

question 35

Short Answer

The binomial random variable x consists of n = 60 trials and has the probability of failure q = .4. Using the normal approximation, compute the probability of 32 successes.

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Definitions:

Subject Bias

The tendency of individuals participating in a research study to act or respond in ways they believe correspond with what the researchers are looking for.

Placebo Effect

The beneficial effect on an individual resulting from a placebo treatment, which arises from the patient's expectations rather than the treatment itself.

Survey

A method of gathering information from a large group of people, typically by asking them questions.

Masked Design

An experiment in which participants do not know whether they are in the experimental or the control condition. Previously called a blind design.