What are the balance of employees who have one-way commute

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Question: A survey showed that the average commuter spends about 26 minutes on a one-way door-to-door trip from home to work. In addition. 5cif of commuters reported a one-way com-mute of more than one hour (Bureau of Transportation Statistics website. January 12. 2004).

a. If 20 commuters are surveyed on a particular day. what is the probability that three will report a one-way commute of more than one hour?

b. 1120commuters are surveyed on a particular day, what is the probability that none will report a one-way commute of more than one hour?

c. If a company has 2000 employees, what is the expected number of employees that have a one-way commute of more than one hour?

d. If a company has 2000 employees, what are the balance and standard deviation of the number of employees that have a one-way commute of more than one hour?

Reference no: EM131455613

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