Question: In a statistics class, the average grade on the final examination was 75 with a standard deviation of 5.Use Chebyshev's theorem to answer the following

In a statistics class, the average grade on the final examination was 75 with a standard deviation of 5.Use Chebyshev's theorem to answer the following questions.

a. At least what percentage of the students received grades between 50 and 100?

b. Determine an interval for the grades that will be true for at least 70% of the students.

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!

In a statistics class the average grade on the final examination was 75 with a standard deviation of 5. Please provide steps for each problem. a) At least what percentage of the students received...

1 1 pts A simple random sample of 28 observations was taken from a large population. The sample mean equaled 50. Fifty is a _____. Group of answer choices point estimator population parameter point...

Unit 2 Problems Set NAME: Elements of Statistics--FHSU Virtual College--Summer 2015 REMEMBER, these are assessed preparatory problems related to the content of Unit 2. The Unit 2 Exam will consist of...

MONTGOMERY COLLEGE - TAKOMA PARK CAMPUS MATH 117 - ELEMENTS OF STATISTICS FINAL EXAMINATION Given Date: 08/08/2016 at 6PM EST Prof: Dr. J. Wulu Due Date: 8/10/2016 at 11:59PM EST Max Point: 500...

STAT 200: Introduction to Statistics Final Examination, Spring 2017 OL1/US1 Page 1 of 8 STAT 200 OL1/US1 Sections Final Exam Spring 2017 The final exam will be posted at 12:01 am on March 3, and it...

1. True or False. Justify for full credit. (15 pts) (a) If the variance of a data set is zero, then all the observations in this data set are zero. (b) If P(A) = 0.4 , P(B) = 0.5, and A and B are...

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...

STAT 200: Introduction to Statistics Final Examination, Spring 2017 OL4/US2 Page 1 of 8 STAT 200 OL4 / US2 Sections Final Exam Spring 2017 The final exam will be posted at 12:01 am on May 5, and it...

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

On January 13, at the end of the second weekly pay period of the year, a companys payroll register showed that its 33 employees had earned $24,070 of sales salaries and $8,030 of office salaries....

Inkpad Ltd is a printery and has been an audit client of Lewis & Associates for several years. Dennis Reid has been the audit senior for the past three years and has always worked on the accounts...

An inverted yield curve Group of answer choices happens when the short - term rates are below long - term rates is typically observed before a recession. indicates that forward rates are expected to...

Problem 10-2A Analyzing income effects of additional business LO P7 Calla Company produces skateboards that sell for $54 per unit. The company currently has the capacity to produce 100,000...