Tickets for a Drawing Are Sold for $60 Each

question 45

Short Answer

Tickets for a drawing are sold for $60 each. The holder of the winning ticket wins a cash prize of
$5,000. If 3,000 tickets are sold, find the expected value of the gain.

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Definitions:

Neurodevelopmental Disorders

A group of disorders—including ADHD, autism spectrum disorder, and intellectual disability—in the functioning of the brain that emerge at birth or during very early childhood and affect an individual’s behavior, memory, concentration, and/or ability to learn.

Mental Health Professionals

Trained experts who offer services for the improvement of mental health and can diagnose and treat mental illnesses.

Selective Mutism

A complex childhood anxiety disorder characterized by a child's inability to speak in certain settings or to certain people while speaking normally in others.

Intellectual Disability

A condition characterized by significant limitations in both intellectual functioning and adaptive behavior, manifesting before the age of 18.