A bus comes by every 15 minutes. The times from when a person arives at the busstop until the bus arrives follows a Uniform distribution from 0 to 15 minutes. A person arrives at the bus stop at a randomly selected time. Round to 4 decimal places where possible. The mean of this distribution is . The standard deviation is . The probability that the person will wait more than 11 minutes is .

A bus comes by every 15 minutes. The times from when a person arives at the busstop until the bus arrives follows a Uniform distribution from 0 to 15 minutes. A person arrives at the bus stop at a randomly selected time. Round to 4 decimal places where possible. The mean of this distribution is . The standard deviation is . The probability that the person will wait more than 11 minutes is .

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 22PFA

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Question

The mean of this distribution is .
The standard deviation is .
The probability that the person will wait more than 11 minutes is .
Suppose that the person has already been waiting for 1.3 minutes. Find the probability that the person's total waiting time will be between 2.2 and 5.6 minutes.
15% of all customers wait at least how long for the train?

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