A Couple Has Already Had 3 Girls with Cystic Fibrosis

question 4

Multiple Choice

A couple has already had 3 girls with cystic fibrosis, and were hoping to have a normal child for their fourth.What are the chances that the fourth child will be a normal male?

• A) 0
• B) 1/8
• C) 1/4
• D) 3/8
• E) 1/2

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Definitions:

Supply

The total amount of a specific good or service that is available to consumers at a given price level and time.

Income Elasticity

A measure of how the demand for a good or service changes in response to changes in the consumer's income.

Income Elasticity

A measure of how much the demand for a product changes with a change in consumers' income.

Income Elasticity

A measure of how much the quantity demanded of a good responds to a change in consumers' income.