Use the Following to Answer Questions

question 9

Short Answer

Use the following to answer questions :
A consume researcher inspects 300 batteries manufactured by two companies for being good or defective.The following table gives the two-way classification of these 300 batteries.

-The probability that a person drinks at least five cups of coffee per day is 0.31,and the probability that a person has high blood pressure is 0.09.Assuming that these two events are independent,find the probability (to four decimal places)that a person selected at random drinks less than five cups of coffee per day and has high blood pressure.

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Definitions:

Political Debate

A formal discussion or argumentation between individuals or teams over political issues, often conducted publicly to influence opinions or policies.

Representative Sample

A part of a population that accurately mirrors the full population's composition.

Subjects

Individuals or entities that are observed or studied in scientific or academic research.

Experiment

A scientific procedure undertaken to test a hypothesis, investigate phenomena, or demonstrate known facts.