A Recent Survey Suggests 30% of Boat Owners Do Not

question 67

Multiple Choice

A recent survey suggests 30% of boat owners do not regularly use their boat after the second year of ownership.A local boat dealer wants to test the alternative hypothesis that p > .30 with α = .05.He surveys 60 boat owners and finds 42% of the owners who have owned their boat for three years report they do not regularly use their boat.Assuming that p = .35, the power is approximately ________.

• A)0.2211
• B)0.1421
• C)0.8579
• D)0.7789
• E)0.4965

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Definitions:

Evolution

The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.

Obsession

An obsession is a persistent, intrusive, and unwanted thought, urge, or image that causes significant anxiety or distress, often seen in disorders like obsessive-compulsive disorder (OCD).

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with an unconditioned stimulus, evokes a conditioned response.

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally triggers a reflexive response without prior learning.