Question: The completion time for an exam is normally distributed with expected value 75minutes and variance 12 minutes.What is the probability that a student will finish

  1. The completion time for an exam is normally distributed with expected value 75minutes and variance 12 minutes.What is the probability that a student will finish this exam in less than 70minutes or more than 80minutes?

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!

Q:

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...

Q:

Sample Final Mat 117 Prof. Kazlow All questions are worth 3 points each. You may use a scientific, graphing or statistical calculator. You may not use a cell phone, pda, or computer on this exam....

Q:

STATEMENT OF ACADEMIC INTEGRITY I agree to abide by the code of Academic Integrity during the final exam for PubH 6002. I pledge that the work contained in the final exam is my own and that during...

Q:

#1 : In grading eggs into small, medium, and large, the Lahore Farms packs the eggs that weigh more than 3.6 ounces in packages marked "large" and the eggs that weigh less than 2.4 ounces into...

Q:

Name: PMAN 635 9041 Final Exam Please do any ten of the following questions. If you do all twelve, I will credit you for the best ten. Each question you do will be worth ten percent of your final...

Q:

COMM 215: BUSINESS STATISTICS REVIEW PROBLEMS 1 Descriptive Statistics 1. The listing below gives the service window of A&W: 4.91 0.85 0.52 2.51 1.92 2.66 1.94 5.19 2.33 3.51 2.95 2.62 service times...

Q:

Final Exam MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Solve the problem. 1) The average age of the students in a statistics class is 22...

Q:

Final Exam MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Solve the problem. 1) The average age of the students in a statistics class is 22...

Q:

Final Exam MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Solve the problem. 1) The average age of the students in a statistics class is 22...

Q:

Possible Multiple Choice Questions for the Exam. Focus on the topics discussed in class. Chapter 1 Multiple Choice Identify the choice that best completes the statement or answers the question. ____...

Q:

Before Hall invented his electrolytic process, aluminum was produced by the reduction of its chloride with an active metal. Which metals would you use for the production of aluminum in that way?

Q:

Why were credit derivatives developed? What advantages do they have over loan sales and securitizations, if any?

Q:

Which of the following is true of an efficient market? All information contained in past prices of a security is reflected in its current price but that there is both information that is not. Market...

Q:

> Help System Announcements CALCULATOR PRINTER VERSION BACK Anthony Moss, owner of Moss Interiors, is negotiating for the purchase of Sandhill Galleries. The balance sheet of Sandhill is given in an...