Lisa Is in a Free-Throw Shooting Contest Where Each Contestant

question 19

Essay

Lisa is in a free-throw shooting contest where each contestant attempts 10 free throws. On average, Lisa makes 77% of the free throws she attempts.
A) What is the probability that she makes exactly eight free throws?
B) What is the probability she makes at least nine free throws?
C) What is the probability she makes fewer than nine free throws?
D) Lisa is competing against Bill to see who can make the most free throws in 10 attempts. Suppose Bill goes first and makes seven. Should we expect Lisa to make at least as many as Bill? Explain.

• A) What is the probability that she makes exactly eight free throws?
• B) What is the probability she makes at least nine free throws?
• C) What is the probability she makes fewer than nine free throws?
• D) Lisa is competing against Bill to see who can make the most free throws in 10 attempts. Suppose Bill goes first and makes seven. Should we expect Lisa to make at least as many as Bill? Explain.

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Definitions:

Qualitative Analysis

In microbiology, identification of bacteria present in a specimen by the appearance of colonies grown on a culture plate.

Substances

Materials or compounds that have a distinct physical presence and chemical composition.

Resident Normal Flora

Bacteria, fungi, and protozoa that have taken up residence either in or on the human body. Some of these organisms neither help nor harm the host and some are beneficial, creating a barrier against pathogens.

Pathogenic

Capable of causing disease when introduced into the body.