In a class that has 25 students, suppose that 24 of them took their exam on a Monday and theaverage score (out of 100) for these 24 students was 73 points. A student with a Dean's Excusetook the exam on Wednesday. What score would this student need in order for the class averageon the exam to change to 74 points?

Answered: In a class that has 25 students,…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

See similar textbooks

Similar questions

One common system for computing a grade point average (GPA) assigns 4 points to an A, 3 points to a B, 2 points to a C, 1 point to a D, and 0 points to an F. What is the GPA of a student who gets an A in a 33-credit course, a B in each of threethree 22-credit courses, a C in a 33-credit course, and a D in a 22-credit course?
For problems 11 and 12, select the most representative sample of the population of interest.11) A researcher wishes to determine the average number of text messages per month sent by high school students who have cell phones.A) Ask a random sample of 100 students how many text messages they send.B) Ask a random sample of 100 students with cell phones how many text messages they send.C) Interview 100 students in the mall who are seen talking on their cell phones.D) Randomly select the cell phone records of 100 high school students.
The newest cars have 12 different accessories and the buyer pays for each one separately. If a particular buyer wants to buy four accessories, how many different accessory packages will there be?
There are 3 apples, 5 pears and 4 oranges in a basket. If a waiter were to line up these fruits side by side on a table, how many different ways could he order them?
If the U.S. Economy grew by 4% for three consecutive years, the economy would have grown by 12% over the time period. Use numbers to argue for or against this statement. If it is not true by what percentage would the economy have grown
Last year a group of 48 students enrolled in Mathematic, French, and Physics. Some students were more successful than others: –32 passed French, 27 passed Physics, and 33 passed Mathematics; –26 passed French and Mathematics, 26 passed Physics and Mathematics, and 21 passed French and Physics; –21 passed French, Mathematics, and Physics. How many students passed one or more of the subject? Please write clearly thank you.
2. The average test score of 8 students in a class is 92. Two slacker kids join the class and the test average drops to88 . If one of the slacker kids scored an 80, what did the other slacker students score ?
A USA Today poll asked a random sample of 1012 U.S. adults what they do with the milk in the bowl after they have eaten the cereal. Suppose that 70% of U.S. adults actually drink the cereal milk. Remember to check conditions and interpret your results into a sentence.
The infamous Gillette ad has 1.55 million “dislikes” on YouTube, making it the 26th most disliked video on YouTube. If 1% of the people who disliked the video are male former Gillette customers who will now boycott Gillette, and if Gillette razors cost $30 for a pack of 10, and if a man uses 1 Gillette razor per day, and if a year has 365 days, how much money will Gillette lose per year?
If Matthew scored an average of 15 points per basketball game and played 24 games in one season, how many points did he score in the season?
A student has an average of 88 on seven chapter tests. If the student's score on six of the tests are 91,91,92,82,91, and 70, what was the score on the remaining test?
A merchant surveyed 540 people to determine the way they learned about an upcoming sale. The survey showed that 210 learned about the sale from the radio, 250 from television, 200 from the newspaper, 100 from radio and television, 50 from radio and newspapers, 90 from television and newspapers, and 30 from all three sources. How many people learned of the sale from newspapers or radio, but not both?

SEE MORE QUESTIONS

Recommended textbooks for you

Advanced Engineering Mathematics

Advanced Math

ISBN:

9780470458365

Author:

Erwin Kreyszig

Publisher:

Wiley, John & Sons, Incorporated

Numerical Methods for Engineers

Advanced Math

ISBN:

9780073397924

Author:

Steven C. Chapra Dr., Raymond P. Canale

Publisher:

McGraw-Hill Education

Introductory Mathematics for Engineering Applicat…

Advanced Math

ISBN:

9781118141809

Author:

Nathan Klingbeil

Publisher:

WILEY

Advanced Engineering Mathematics

Advanced Math

ISBN:

9780470458365

Author:

Erwin Kreyszig

Publisher:

Wiley, John & Sons, Incorporated

Numerical Methods for Engineers

Advanced Math

ISBN:

9780073397924

Author:

Steven C. Chapra Dr., Raymond P. Canale

Publisher:

McGraw-Hill Education

Introductory Mathematics for Engineering Applicat…

Advanced Math

ISBN:

9781118141809

Author:

Nathan Klingbeil

Publisher:

WILEY

Mathematics For Machine Technology

Advanced Math

ISBN:

9781337798310

Author:

Peterson, John.

Publisher:

Cengage Learning,

Basic Technical Mathematics

Advanced Math

ISBN:

9780134437705

Author:

Washington

Publisher:

PEARSON

Topology

Advanced Math

ISBN:

9780134689517

Author:

Munkres, James R.

Publisher:

Pearson,

SEE MORE TEXTBOOKS