a. How many of the 12 vehicles would you expect to use E-ZPass? (Round your answer to 4 decimal places.) b. What is the mode of the distribution? What is the probability associated with the mode? (Round your answer to 4 decimal places.) c. What is the probability eight or more of the sampled vehicles use E-ZPass? (Round your answer to 4 decimal places.)
a. How many of the 12 vehicles would you expect to use E-ZPass? (Round your answer to 4 decimal places.) b. What is the mode of the distribution? What is the probability associated with the mode? (Round your answer to 4 decimal places.) c. What is the probability eight or more of the sampled vehicles use E-ZPass? (Round your answer to 4 decimal places.)
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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Statistics from the Port Authority of New York and New Jersey show that 84% of the vehicles using the Lincoln Tunnel that connects New York City and New Jersey use E-ZPass to pay the toll rather than stopping at a toll booth. Twelve cars are randomly selected.
a. How many of the 12 vehicles would you expect to use E-ZPass? (Round your answer to 4 decimal places.)
b. What is the
c. What is the probability eight or more of the sampled vehicles use E-ZPass? (Round your answer to 4 decimal places.)
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