A sign on the gas pumps of a chain of gasoline stations encourages customers to have their oil checked. It claimed that one out of five cars needs to have oil added. If this is true, then: What is the probability of randomly selecting three cars needing oil out of nine cars? Round to four (4) decimal places. What is the probability that out of 10 randomly selected cars, from 2 to 4 cars will need oil? A Round to four (4) decimal places.
A sign on the gas pumps of a chain of gasoline stations encourages customers to have their oil checked. It claimed that one out of five cars needs to have oil added. If this is true, then: What is the probability of randomly selecting three cars needing oil out of nine cars? Round to four (4) decimal places. What is the probability that out of 10 randomly selected cars, from 2 to 4 cars will need oil? A Round to four (4) decimal places.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:A sign on the gas pumps of a chain of gasoline stations encourages customers to
have their oil checked. It claimed that one out of five cars needs to have oil added.
If this is true, then:
What is the probability of randomly selecting three cars needing oil out of nine cars?
Round to four (4) decimal places.
What is the probability that out of 10 randomly selected cars, from 2 to 4 cars will
need oil?
A Round to four (4) decimal
places.
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