Annual family dental expenses for the families of a random, Ask an Expert

Statistics

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.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9371210

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

The manufacturer of a new fertilizer wants to show that the

The manufacturer of a new fertilizer wants to show that the new chemical increases bean yields. The average acre currently yields 146.8 bushels of beans. State the null and alternative hypotheses that the manufacturer wo ...

You have a bag with three fair dice one is 4-sided one is

You have a bag with three fair dice. One is 4-sided, one is 6-sided, and one is 12-sided. You reach into the bag, pick one die at random, and roll it. The outcome of the roll is 4. What is the probability that you rolled ...

A school newspaper reporter decides to randomly survey 12

A school newspaper reporter decides to randomly survey 12 students to see if they will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she knows that 24% of students attend Tet festivities. W ...

Suppose a soft drink company want to perform a taste test

Suppose a soft drink company want to perform a taste test on 5 brands of diet cola. How many permutations are there for presenting 5 diet colas to test subjects?

Leprosy also called hansens disease is a disease produced

Leprosy, also called Hansen's disease, is a disease produced by infection with a bacterium called Mycobacterium leprae. It has a long incubation period (time between getting infected and developing the disease), usually ...

Suppose a life insurance company sells a 230000 one-year

Suppose a life insurance company sells a $230,000 ?one-year term life insurance policy to a 20?-year-old female for ?$330. The probability that the female survives the year is 0.999642. Compute and interpret the expected ...

1the r-squared of a linear regression model is equal to the

1)The R-squared of a linear regression model is equal to the proportion of the variance of the target explained by a linear regression model. 2). The R-squared of a linear regression model is equal to the proportion of t ...

Show worksuppose that you have just purchased a share of

Show Work Suppose that you have just purchased a share of stock for $23. The most recent dividend was $1.5 and dividends are expected to grow at a rate of 7% indefinitely. What must your required return be on the stock?

How would i calculate this to get the probability if a

How would I calculate this to get the probability. If a person bought 1 share of Google stock within the last year, what is the probability that the stock on that day closed at less than the mean for that year? Hint: You ...

Assuming that the bank wants assets with high yields and

Assuming that the bank wants Assets with High Yields and Liabilities with Low Costs then what decisions would the bank make for the Interest Rates on both Loans (Fixed Rate Corporate, Floating Rate Corporate, Installment ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert