Assume that police estimate that 73% of drivers now wear their seatbelts. They set up a safety roadblock, stopping cars to check for seatbelt use. ... a) How many cars do they expect to stop before finding a driver whose seatbelt is not buckled? 3.70 (Round to two decimal places as needed.) b) What's the probability that the first unbelted driver is in the 6th car stopped? 0. (Round to three decimal places as needed.)
Assume that police estimate that 73% of drivers now wear their seatbelts. They set up a safety roadblock, stopping cars to check for seatbelt use. ... a) How many cars do they expect to stop before finding a driver whose seatbelt is not buckled? 3.70 (Round to two decimal places as needed.) b) What's the probability that the first unbelted driver is in the 6th car stopped? 0. (Round to three decimal places as needed.)
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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