The time to wait for a particular rural bus is distributed uniformly from zero to 86 minutes. 81 riders are randomly sampled to learn how long they waited. 1.) The 80th percentile sample average wait time (in minutes) for a sample of 81 riders is: A.) 45.3 B.) 40.7 C.) 63.9 D.) 387.0
The time to wait for a particular rural bus is distributed uniformly from zero to 86 minutes. 81 riders are randomly sampled to learn how long they waited. 1.) The 80th percentile sample average wait time (in minutes) for a sample of 81 riders is: A.) 45.3 B.) 40.7 C.) 63.9 D.) 387.0
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
Related questions
Question
The time to wait for a particular rural bus is distributed uniformly from zero to 86 minutes. 81 riders are randomly sampled to learn how long they waited.
1.) The 80th percentile sample average wait time (in minutes) for a sample of 81 riders is:
A.) 45.3
B.) 40.7
C.) 63.9
D.) 387.0
2.) Would you be surprised, based upon numerical calculations, if the sample average wait time (in minutes) for 81 riders was less than 30 minutes?
A.) Yes
B.) No
C.) There is not enough information.
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