Suppose the Probability of Contracting a Certain Disease Is P

question 188

Multiple Choice

Suppose the probability of contracting a certain disease is p = 0.0004 for a new case in a given year.What is the expected number of new cases in a year in a town where 4000 people do not currently have the disease?

• A)0.16
• B)1.6
• C)16
• D)0.0004
• E)0.10

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Definitions:

Initial Understanding

The basic or preliminary comprehension of a subject or situation before deeper knowledge is acquired.

Conservation

The principle (which Piaget believed to be a part of concrete operational reasoning) that properties such as mass, volume, and number remain the same despite changes in the forms of objects.

Piaget's Stages

A theory describing the cognitive development of children, segmented into four stages: sensorimotor, preoperational, concrete operational, and formal operational.

Sensorimotor Stage

In Piaget’s theory, the stage (from birth to about 2 years of age) during which infants know the world mostly in terms of their sensory impressions and motor activities.