Reference no: EM13104501
Annual family dental expenses for the families of a random sample of ten employees of a company are given below. You can assume the family dental expenses for the employees of the company are normally distributed.
$450, $390, $550, $140, $690, $600, $250, $330, $490, $810
a) Compute the mean and standard deviation of the sample.
b) Determine the point estimate and 95% confidence interval for the mean family dental expenses of all employees of the company.
c) Interpret the confidence interval.
d) How would you communicate this information to the Vice-President of Human Resources in non-statistical language.
e) How could this information be used in negotiations with the dental insurer of the company in setting the premiums for the next year.
|
What is the maximum charge the cloud can hold
: Consider the Earth and a cloud layer 900 m above the planet to be the plates of a parallel-plate capacitor. (a) If the cloud layer has an area of 1.0 km2 = 1000000 m2, what is the capacitance?
|
|
Construction project risk management in singapore
: Select a current debate in project management literature and search the Internet and identify a relevant article about a current debate in the project management literature.
|
|
What is the potential difference between the plates
: A small object with a mass of 380 mg carries a charge of 35.0 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. The plates are separated by 5.00 cm. If the thread makes an angle of 12.0° with the vertical, ..
|
|
Find the total electric potential at the origin
: Two point charges are on the y-axis. A 6.0 µC charge is located at y = 1.50 cm, and a -2.46 µC charge is located at y = -1.40 cm. (a) Find the total electric potential at the origin. (b) Find the total electric potential at the point having coordi..
|
|
Qualitative analysis-confidence intervals
: Annual family dental expenses for the families of a random sample of ten employees of a company are given below. You can assume the family dental expenses for the employees of the company are normally distributed.
|
|
Expected number of televisions in a home
: Base on a survey of over 10,000 households, the number of televisions in the home was recorded as given in the table below. Based on the data, find the expected number of televisions in a home.
|
|
Explain biomedical approach-psychodynamic
: Describe, in a 200 to 300 word response, biomedical approach as well as psychodynamic, humanistic-existential, behavior, and cognitive approaches to psychotherapy.
|
|
Case study - forecasting at hard rock cafe
: With the growth of Hard Rock Cafe - from one pub in London in 1971 to more than 110 restaurants in more than 40 countries today - came a corporatewide demand for better forecasting.
|
|
Determining interpretation confidence interval
: The U.S. Food and Drug Administration (FDA) performed a study that compared the carbohydrate content (as a percentage of weight) of several major brands of corn and potato chips.
|