Question

In: Statistics and Probability

An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an...

An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an average of 5.0 non-work-related e-mails per hour. Assume the arrival of these e-mails is approximated by the Poisson distribution.

a.

What is the probability Linda Lahey, company president, received exactly 1 non-work-related e-mail between 4 P.M. and 5 P.M. yesterday? (Round your answer to 4 decimal places.)

  Probability   
b.

What is the probability she received 6 or more non-work-related e-mails during the same period? (Round your answer to 4 decimal places.)

  Probability   
c.

What is the probability she received four or less non-work-related e-mails during the period? (Round your answer to 4 decimal places.)

  Probability   

Solutions

Expert Solution


Related Solutions

An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an...
An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an average of 3.5 non-work-related e-mails per hour. Assume the arrival of these e-mails is approximated by the Poisson distribution. A. What is the probability Linda Lahey, company president, received exactly 4 non-work-related e-mails between 4 P.M. and 5 P.M. yesterday? (Round your probability to 4 decimal places.) B. What is the probability she received 6 or more non-work-related e-mails during the same period? (Round...
Internal resources, such as the legal department, training department, information technology, tend to be under-utilized, leading...
Internal resources, such as the legal department, training department, information technology, tend to be under-utilized, leading to a death spiral, when: A. managers may choose whether to purchase the service internally or externally B. the internal pricing system seeks to recover sunk costs C. the internal pricing system utilizes full costs D. all of the choices are correct Of the following statements, which is true? A. Joint costs are incurred only in disassembly B. The costs of harvesting a pineapple...
An internal study at Mimeo Corporation—a manufacturer of low-end photocopiers—revealed that each of its workers assembles...
An internal study at Mimeo Corporation—a manufacturer of low-end photocopiers—revealed that each of its workers assembles three photocopiers per hour and is paid $6 for each assembled copier. Although the company does not have the resources needed to supervise the workers, a full-time inspector verifies the quality of each unit produced before a worker is paid for his or her output. You have been asked by your superior to evaluate a new proposal designed to cut costs. Under the plan,...
An internal study at Mimeo Corporation—a manufacturer of low-end photocopiers—revealed that each of its workers assembles...
An internal study at Mimeo Corporation—a manufacturer of low-end photocopiers—revealed that each of its workers assembles three photocopiers per hour and is paid $6 for each assembled copier. Although the company does not have the resources needed to supervise the workers, a full-time inspector verifies the quality of each unit produced before a worker is paid for his or her output. You have been asked by your superior to evaluate a new proposal designed to cut costs. Under the plan,...
Assume that you have just been hired by Tampa Electronics in their internal Audit department. Ms....
Assume that you have just been hired by Tampa Electronics in their internal Audit department. Ms. Gonzales has asked you to undertake the task of examining the travel expese data to determine whether there are any potentially fraudulent travel reimbursements. In addition to clear violations of the company's rule e.g., an approval being used for multiple trips, an expense reimbursement without an approval, you should be looking for indicators of potentially fraudulent travel expense reimbursement
. In s study done by the Ohio Department of Job and Family Services, it was...
. In s study done by the Ohio Department of Job and Family Services, it was determined 38 (out of 62) poor children who attended preschool needed social services later in life compared to 49 (out of 61) poor children who did not attend preschool. A. Does this study provide significant evidence that preschool reduces the need for social services later in life? Do a complete and appropriate hypothesis test using α = .01. B. Construct a 98% confidence interval...
Stark Company has five employees. Employees paid by the hour receive a $11 per hour pay...
Stark Company has five employees. Employees paid by the hour receive a $11 per hour pay rate for the regular 40-hour workweek plus one and one-half times the hourly rate for each overtime hour beyond the 40 hours per week. Hourly employees are paid every two weeks, but salaried employees are paid monthly on the last biweekly payday of each month. FICA Social Security taxes are 6.2% of the first $118,500 paid to each employee, and FICA Medicare taxes are...
Stark Company has five employees. Employees paid by the hour receive a $11 per hour pay...
Stark Company has five employees. Employees paid by the hour receive a $11 per hour pay rate for the regular 40-hour workweek plus one and one-half times the hourly rate for each overtime hour beyond the 40 hours per week. Hourly employees are paid every two weeks, but salaried employees are paid monthly on the last biweekly payday of each month. FICA Social Security taxes are 6.2% of the first $118,500 paid to each employee, and FICA Medicare taxes are...
Stark Company has five employees. Employees paid by the hour receive a $12 per hour pay...
Stark Company has five employees. Employees paid by the hour receive a $12 per hour pay rate for the regular 40-hour workweek plus one and one-half times the hourly rate for each overtime hour beyond the 40 hours per week. Hourly employees are paid every two weeks, but salaried employees are paid monthly on the last biweekly payday of each month. FICA Social Security taxes are 6.2% of the first $118,500 paid to each employee, and FICA Medicare taxes are...
Stark Company has five employees. Employees paid by the hour receive a $14 per hour pay...
Stark Company has five employees. Employees paid by the hour receive a $14 per hour pay rate for the regular 40-hour workweek plus one and one-half times the hourly rate for each overtime hour beyond the 40 hours per week. Hourly employees are paid every two weeks, but salaried employees are paid monthly on the last biweekly payday of each month. FICA Social Security taxes are 6.2% of the first $118,500 paid to each employee, and FICA Medicare taxes are...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT