Use the Appropriate Normal Distribution to Approximate the Resulting Binomial

question 97

Short Answer

Use the appropriate normal distribution to approximate the resulting binomial distribution. Round your answers to four decimal places.
A fair coin is tossed 20 times.
What is the probability of obtaining fewer than 8 heads? __________
What is the probability of obtaining more than 8 heads? __________
What is the probability of obtaining between 6 and 11 heads inclusive? __________

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Definitions:

Reinforcement

In behavioral psychology, a process in which a behavior is strengthened or made more likely to occur again by rewarding it or providing a positive stimulus.

Fixed Number

A quantity that remains constant and does not change or vary in a given context.

Varying Amounts

Different quantities or measures of something without a fixed or exact number.

Stimulus Generalization

The process by which conditioned responses are triggered by stimuli that are similar, but not identical to, the original conditioned stimulus used during learning.