4. A bus stops at a bus stop every 45 minutes. Once a person gets to the bus stop, what is the probabity they will wait for no more than 20 minutes? 5. A store runs a sale exclusively for their club members every 20 days. If Marcus joins the club on August 4m, what is the probability there wil be a sale by August 10the

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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Segment lengths can help when finding probability with waiting times. The probability is the ratio of the favorable waiting time to the maximum waiting time. Draw line segments to help visualize the problem.

 

please solve 4 and 5 

4. A bus stops at a bus stop every 45 minutes. Once a person gets to the
bus stop, what is the probabiity they will wait for no more than 20
minutes?
5. A store runs a sale exclusively for their club members every 20 days.
If Marcus joins the club on August 4th, what is the probability there will
be a sale by August 10th?
Transcribed Image Text:4. A bus stops at a bus stop every 45 minutes. Once a person gets to the bus stop, what is the probabiity they will wait for no more than 20 minutes? 5. A store runs a sale exclusively for their club members every 20 days. If Marcus joins the club on August 4th, what is the probability there will be a sale by August 10th?
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