Dottie Kleman is the "Cookie Lady." She bakes and sells cookies at 50 different locations. Ms.
Kleman is concerned about absenteeism among her workers. The information below reports the
Number of days absent for a sample of 10 workers during the last two-week pay period.
The sample mean is calculated to be 1.8 and sample standard deviation is 1.1353. Develop a 95%
Confidence interval for the population mean. Assume that the population distribution is normal. Is it
Reasonable to conclude that the typical worker misses 1 day during a pay period?
A) [0.99, 2.61] It is unreasonable to conclude that the mean number of days of work missed is 1 per employee.
B) [0.99, 2.61] It is reasonable to conclude that the mean number of days of work missed is 1 per employee.
C) [-0.99, -2.61] It is unreasonable to conclude that the mean number of days of work missed is 1 per employee.
D) [-0.99, -2.61] It is reasonable to conclude that the mean number of days of work missed is 1 per employee.
Correct Answer:
Verified
Q3: The z-value associated with an 80% level
Q4: A random sample of 85 group leaders,
Q5: Recently, a university surveyed recent graduates of
Q6: Recently, a university surveyed recent graduates of
Q9: Mileage tests were conducted on a randomly
Q10: A 95% confidence interval infers that the
Q11: A sample of 25 is selected from
Q12: The z-value associated with a 96% level
Q13: Recently, a university surveyed recent graduates of
Q16: A sample mean is the best point
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents