Vehicles that cross a certain bridge have a mean weight of 4,675 pounds, with a standard deviation of 345 pounds. If there are 40 vehicles on the bridge at once, find the number a such that the (approximate) probability is 99% that their combined weight does not exceed a.

Vehicles that cross a certain bridge have a mean weight of 4,675 pounds, with a standard deviation of 345 pounds. If there are 40 vehicles on the bridge at once, find the number a such that the (approximate) probability is 99% that their combined weight does not exceed a.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 14PPS

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Question

Vehicles that cross a certain bridge have a mean weight of 4,675 pounds, with a standard deviation of
345 pounds. If there are 40 vehicles on the bridge at once, find the number a such that the (approximate)
probability is 99% that their combined weight does not exceed a.

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