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In a Special Report, "Speed Demons," in the Cedar Rapids

Question 13

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In a special report, "Speed Demons," in the Cedar Rapids, IA, Gazette, reporters used a radar gun to check the speeds of motorists in two counties. They were shocked (!) to discover that some motorists were driving at a speed greater than the posted limits. They reported the following information: In a special report, Speed Demons, in the Cedar Rapids, IA, Gazette, reporters used a radar gun to check the speeds of motorists in two counties. They were shocked (!) to discover that some motorists were driving at a speed greater than the posted limits. They reported the following information: Suppose that one of these cars is selected at random. Consider the following events: F = the event that a driver is in a fast lane (speed limit above 25 mph). S = the event that a driver is speeding. ​ ​ b) From the information in part (a), calculate . c) From the information in part (a), calculate . d) From the information in part (a), calculate P(S). e) These events are represented in a tree diagram below. What is the probability that a randomly selected driver will follow the branches to the X? Suppose that one of these cars is selected at random. Consider the following events: F = the event that a driver is in a "fast lane" (speed limit above 25 mph). S = the event that a driver is speeding. ​ In a special report, Speed Demons, in the Cedar Rapids, IA, Gazette, reporters used a radar gun to check the speeds of motorists in two counties. They were shocked (!) to discover that some motorists were driving at a speed greater than the posted limits. They reported the following information: Suppose that one of these cars is selected at random. Consider the following events: F = the event that a driver is in a fast lane (speed limit above 25 mph). S = the event that a driver is speeding. ​ ​ b) From the information in part (a), calculate . c) From the information in part (a), calculate . d) From the information in part (a), calculate P(S). e) These events are represented in a tree diagram below. What is the probability that a randomly selected driver will follow the branches to the X? ​ b) From the information in part (a), calculate In a special report, Speed Demons, in the Cedar Rapids, IA, Gazette, reporters used a radar gun to check the speeds of motorists in two counties. They were shocked (!) to discover that some motorists were driving at a speed greater than the posted limits. They reported the following information: Suppose that one of these cars is selected at random. Consider the following events: F = the event that a driver is in a fast lane (speed limit above 25 mph). S = the event that a driver is speeding. ​ ​ b) From the information in part (a), calculate . c) From the information in part (a), calculate . d) From the information in part (a), calculate P(S). e) These events are represented in a tree diagram below. What is the probability that a randomly selected driver will follow the branches to the X? .
c) From the information in part (a), calculate In a special report, Speed Demons, in the Cedar Rapids, IA, Gazette, reporters used a radar gun to check the speeds of motorists in two counties. They were shocked (!) to discover that some motorists were driving at a speed greater than the posted limits. They reported the following information: Suppose that one of these cars is selected at random. Consider the following events: F = the event that a driver is in a fast lane (speed limit above 25 mph). S = the event that a driver is speeding. ​ ​ b) From the information in part (a), calculate . c) From the information in part (a), calculate . d) From the information in part (a), calculate P(S). e) These events are represented in a tree diagram below. What is the probability that a randomly selected driver will follow the branches to the X? .
d) From the information in part (a), calculate P(S).
e) These events are represented in a tree diagram below. What is the probability that a randomly selected driver will "follow the branches" to the X? In a special report, Speed Demons, in the Cedar Rapids, IA, Gazette, reporters used a radar gun to check the speeds of motorists in two counties. They were shocked (!) to discover that some motorists were driving at a speed greater than the posted limits. They reported the following information: Suppose that one of these cars is selected at random. Consider the following events: F = the event that a driver is in a fast lane (speed limit above 25 mph). S = the event that a driver is speeding. ​ ​ b) From the information in part (a), calculate . c) From the information in part (a), calculate . d) From the information in part (a), calculate P(S). e) These events are represented in a tree diagram below. What is the probability that a randomly selected driver will follow the branches to the X?

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