Let x be the amount of time (in minutes) that a particular commuter will have to wait for a train. Suppose that the distribution is uniform and ranges between 0 and 20 minutes. a. Draw the density curve for x. b. Findthevalueoftheheight. c. What is the probability that x is more than 8 minutes?

Let x be the amount of time (in minutes) that a particular commuter will have to wait for a train. Suppose that the distribution is uniform and ranges between 0 and 20 minutes. a. Draw the density curve for x. b. Findthevalueoftheheight. c. What is the probability that x is more than 8 minutes?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

Let x be the amount of time (in minutes) that a particular commuter will have to wait for a train.
Suppose that the distribution is uniform and ranges between 0 and 20 minutes.
a. Draw the density curve for x.
b. Findthevalueoftheheight.
c. What is the probability that x is more than 8 minutes?
d. What is the probability that x is between 7 and 15 minutes?
e. Find the value of c for which P(x < c) = 0.7.

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