Warning: foreach() argument must be of type array|object, bool given in /var/www/html/web/app/themes/studypress-core-theme/template-parts/header/mobile-offcanvas.php on line 20

Olivia has an average score of 92 on five French tests. If she earns a score of 96 on the sixth test, what will her new average score be?

Short Answer

Expert verified

The average of scores in 6 tests is equals to 92.66

Step by step solution

01

Step 1. Write the formulae used.

The average/mean of a data is:

02

Step 2. Write the given information.

The average of 5 of Olivia’s tests is 92.

The score in the 6th test is 96.

Let the sum of the score of 5 tests be x.

03

Step 3. Description of step.

First use the formula of mean to find the sum of scores of 5 tests as:

Average=x592=x592×5=xx=460

Thus, the sum of scores of 5 tests is 460.

Now again use the formula of average to find the average of 6 tests as:

Average=sumofscoresin5tests+scorein6thtest6=460+966=5566=2783

Thus, the average of scores in 6 tests equals to localid="1645102018299" 2783=92.66.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with Vaia!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Study anywhere. Anytime. Across all devices.

Sign-up for free