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26 Oct 2021
Given information
Given that Approximately 86.5% of Americans commute to work by car, truck, or van. Out of that group, 84.6% drive alone and 15.4% drive in a carpool. Approximately 3.9% walk to work and approximately 5.3% take public transportation.
The main objective is to find how many would you expect to drive in a carpool, if 1,000 workers are randomly selected.
From part 125(a), the table of the given situation is shown below:
Step-by-step explanation
Step 1.
The formula to find the probability of an event A is defined as 
.
The probability of commuters travelling in a carpool is 0.1332.
Suppose that 1,000 workers are randomly selected.
Then the number of workers that would expect to drive in a carpool is
.
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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208
Solutions
Chapter
Section
- Problem 117
- Problem 118a
- Problem 118b
- Problem 118c
- Problem 118d
- Problem 119a
- Problem 119b
- Problem 119c
- Problem 120a
- Problem 120b
- Problem 120c
- Problem 121a
- Problem 121b
- Problem 121c
- Problem 121d
- Problem 121e
- Problem 122a
- Problem 122b
- Problem 122c
- Problem 122d
- Problem 122e
- Problem 123
- Problem 123a
- Problem 123b
- Problem 123c
- Problem 123d
- Problem 123e
- Problem 123f
- Problem 123g
- Problem 124a
- Problem 124b
- Problem 124c
- Problem 125a
- Problem 125b
- Problem 125c
- Problem 125d
- Problem 126a
- Problem 126b
- Problem 126c
- Problem 126d
- Problem 127a
- Problem 127b
- Problem 127c
- Problem 127d
- Problem 127e
- Problem 127f
- Problem 127g
- Problem 128a
- Problem 128b
- Problem 128c
- Problem 128d