Question: A simple random sample of four students in STAT 2400 is being used to study GPA trends. Assume GPA in STAT 2400 students follow a

A simple random sample of four students in STAT 2400 is being used to study GPA trends. Assume GPA in STAT 2400 students follow a normal distribution with an unknown population standard deviation. The margin of error for a 80% confidence interval was calculated to be 0.123. What is the standard deviation of these four GPAs

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

1 2 Milestone Three - Statement of Cost of Goods Sold 3 4 6 Beginning Work in Process Inventory 7 Direct Materials: 8 9 11 12 A Materials: Beginning Add: Purchases for month of January 14 15 16...

STAT 200: Introduction to Statistics Final Examination, Summer 2017 OL1/US1 Page 1 of 8 STAT 200 OL1 / US1 Sections Final Exam Summer 2017 The final exam will be posted at 12:01 am on July 14, and it...

Name: E number: Math 1530 section number Question 1 (2.85 points) Eggs that are contaminated with salmonella can cause food poisoning among consumers. A large egg producer takes an SRS of 200 eggs...

1 Sampling Distributions of Sample Proportions According to U.S. News and World Reports, 18.60% of all Penn State World Campus students have military experience. In a random sample of 100 students...

STAT 200: Introduction to Statistics Final Examination, Summer 2017 OL3 Page 1 of 8 STAT 200 US2/OL3 Sections Final Exam Summer 2017 The final exam will be posted at 12:01 am on August 11, and it is...

STAT 200 Final Examination Summer 2017 OL3 Page 1 of 10 STAT 200 Introduction to Statistics Name______________________________ Final Examination: Summer 2017 OL3/US2 Instructor...

STAT 200 Final Examination Summer 2017 OL3 Record your answers and work. Proble m Number Solution Answer: (a) (b) (c) (d) 1 (e) Justification: Answer: (a) (b) (c) 2 Justification: Page 1 of 9 STAT...

STAT 200: Introduction to Statistics 1. Page 2 of 8 True or False. Justify for full credit. (a) (b) (c) (d) (e) 2. Final Examination, Summer 2017 OL3 If A and B are independent, P(A) = 0.4 and P(B) =...

Unit 3 Problem Set NAME: Elements of Statistics--FHSU Virtual College--Summer 2015 REMEMBER, these are assessed preparatory problems related to the content of Unit 3. The Unit 3 Exam will consist of...

1. True or False. Justify for full credit. (a) A is an event, and Ac is the complement of A, then P(A AND Ac ) = 0. (b) If the variance of a data set is 0, then all the observations in this data set...

Which of the following statements concerning a change in government purchases is true? The slope of the expenditure line and the magnitude of the AD curve's shift are negatively correlated. The slope...

You are the new Marketing VP for Watermetco, a company that sells two items: meters You are considering buying Example, a manufacturing company. The president and CFO are traveling and will not be...

You have invested in a business that proudly reports that it is profitable. Your investment of $ 4 comma 2 0 0 4 , 2 0 0 has produced a profit of $ 3 0 8 $ 3 0 8 . The managers think that if you...

Oriole Company purchased equipment on January 1, 2018 at a total invoice cost of $1230000. The equipment has an estimated salvage value of $33000 and an estimated useful life of 5 years. What is the...