Roadblock State police set up a roadblock to estimate the percentage of cars with up-to-date registration, insur-ance, and safety inspection stickers. It would be too in-convenient and costly to check every vehicle that passes through a checkpoint, so they decide to stop about 1/20of the vehicles.a) Why would a simple random sample be unreasonablefor this situation.b) Identify two possible sampling schemes that could beused. Explain how randomization would be used in each.

Roadblock State police set up a roadblock to estimate the percentage of cars with up-to-date registration, insur-ance, and safety inspection stickers. It would be too in-convenient and costly to check every vehicle that passes through a checkpoint, so they decide to stop about 1/20of the vehicles.a) Why would a simple random sample be unreasonablefor this situation.b) Identify two possible sampling schemes that could beused. Explain how randomization would be used in each.

Name: Roadblock State police set up a roadblock to estimatethe percentage of
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Description: Roadblock State police set up a roadblock to estimatethe percentage of cars with up-to-date registration, insur-ance, and safety inspection stickers. It would be too in-convenient and costly to check every vehicle that passesthrough a checkpoint, so

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 6E

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