Solution-Using the 005 level of significance is there

Using the 005 level of significance is there evidence that

Reference no: EM13580266

Late payment of medical claims can add to the cost of health care. An article reported that the mean time from the date of service to the date of payment for one insurance company was 41.4 days during a recent period. Suppose that a sample of 100 medical claims is selected during the latest time period.The sample mean time from the date of service to the date of payment was 39.6 days, and the sample standard deviation was 7.4 days.

(a) Using the 0.05 level of significance, is there evidence that the population mean has changed from 41.4 days?

(b) What is your answer in(a)if you use the 0.01 level of significance?

(d) Because the sample size is 100, do you need to be concerned about the shape of the population distribution when conducting the t-test in (a)? Explain.

Reference no: EM13580266

Questions Cloud

For a population with a mean of micro 70 a score of x 62 : for a population with a mean of micro 70 a score of x 62 corresponds to z -2.00. what is the population standard

A distribution with a mean of micro 62 and a standard : a distribution with a mean of micro 62 and a standard deviation of s 8 is transformed into a standardized distribution

Shade the area that represents the proportion and find the : shade the area that represents the proportion and find the proportiona. propzlt-2.75b. propzgt1.09c.

Find the mean of the given probability distribution the : find the mean of the given probability distribution. the random variable x is the number of houses sold by a realtor

Using the 005 level of significance is there evidence that : late payment of medical claims can add to the cost of health care. an article reported that the mean time from the date

A 5925 n window washer is standing on a uniform scaold : a 592.5 n window washer is standing on a uniform sca?old supported by a vertical rope at each end. the sca?old weighs

Using the six-step critical value approach at the 005 level : you are the manager of a restaurant that delivers pizza to collect dormitory rooms. you have just changed your

Find the probability that the number who say they get their : forty-three percent of adults say they get their financial advice from family members. you randomly select 14 adults

At the 005 level of significance is there evidence that : late payment of medical claims can add to the cost of health care. an article reported that for one insurance

User Account

All Pages

Using the 005 level of significance is there evidence that

Reference no: EM13580266

Reference no: EM13580266

Questions Cloud

Reviews

Write a Review

Basic Statistics Questions & Answers

Statistics-probability assignment

What is the least number

Determine the value of k

What is the probability

Binomial distributions

Caselet on mcdonald’s vs. burger king - waiting time

Generate descriptive statistics

Sampling variability and standard error

Estimate the population mean

Conduct a marketing experiment

Find out the probability

Linear programming models

Assured A++ Grade

Academics

Major Subjects

Majors

Get In Touch

TERMS & POLICIES

HELP & SUPPORT