Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

An auditor reviewed 25 oral surgery insurance claims from the particular surgical office, finding that the mean out-of-pocket patient billing above the reimbursed amount was $275.66 with the standard deviation of $78.11.

a) At the 5 percent level of significance, does this sample prove the violation of guideline that the average patient must pay no more than $250 out-of-pocket? State your hypotheses and decision rule.

b) Is this a close decision?

Hypotheses:

H0: _ = 250 vs. _ > 250

Level of Significance:

5%

Decision Rule

Reject the null hypothesis if p-value < 0.05

Calculation:

Hypothesis Test: Mean vs. Hypothesized Value

Hypothesized value

250.0000

Mean Sample

275.6600

std. dev.

78.1100

std. error

15.6220

n

25

df

24

t

1.64

p-value (one-tailed, upper)

.0568

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M916851

Have any Question? 


Related Questions in Statistics and Probability

Assume that the number of pieces of junk mail per day that

Assume that the number of pieces of junk mail per day that a person receives in their mail box follows the Poisson distribution and averages 3.5 pieces per day. What is the probability that this person will receive exact ...

Part -11 the final project is like a very abbreviated mini

Part -1: 1) The final project is like a VERY abbreviated mini research report, where you will be running a combination of descriptive statistics and inferential statistics on a dependent variable and an independent varia ...

Imagine that you want to know whether the sat is biased

Imagine that you want to know whether the SAT is biased against Group X and in favor of Group Y. You administer the SAT to members of the two groups; then, 4 years later, you examine the correlations between SAT scores a ...

Historically 25 of all students taking an statistics course

Historically 25% of all students taking an statistics course have failed (i.e. receive a grade below C). Professor Han thinks that she has a better method of teacher statistics to business students. She is given a random ...

Problem 1somewhere in the milky way galaxy a class of 2000

Problem 1 Somewhere in the Milky Way Galaxy, a class of 2,000 students took a course in Astronomy.  The first exam scores and the final exam percentage reached earth, but transmission broke off after only a dozen student ...

Jim has weighted gpa of 384 his high school gpas are

Jim has weighted GPA of 3.84. His high school GPA's are normally distributed with a mean of 2.9 and a standard deviation of 0.5. Kim's high school uses unweighted GPA's and she has a GPA of 3.57. GPA's are also normally ...

Mrjassica manager of appliances for midtown department

Mr.jassica, Manager of appliances for midtown department store feels that her inventory levels of stoves have been running higher than necessary. Before revising the inventory policy for stoves she records the number sol ...

A caterer is competing for a companys business the caterer

A caterer is competing for a company's business. The caterer randomly selects a past client and submits a tasting menu consisting of all the dishes prepared for the past client. What type of sample is this? A college fac ...

1 what is a factorial design why are factorial designs used

1. What is a factorial design? Why are factorial designs used more frequently than one-way designs? 2. How many independent variables are involved in a 3 x 3 factorial design? How many levels are there of each variable? ...

Roger reports i ascribe probability 03 to the philadelphia

Roger reports: I ascribe probability 0.3 to "the Philadelphia Phillies will win the World Series next year, Chris ascribes probability 0.4 to their winning the World Series and to me ascribing probability 0.4 that they w ...

  • 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

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro