HomeworkLib
Question

In this class, one of your 4 test scores is dropped. On the first three tests,...

In this class, one of your 4 test scores is dropped. On the first three tests, you have the following scores: 70, 31, and 95. What score do you need on the next test to raise your average (incorporating the dropped test) to 75?

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

= X / n

75 = (70 + 31 + 95 + x ) / 4

75 = ( x + 196) / 4

Solve for x

x = 104

0 0
Add a comment
Know the answer?
Add Answer to:
In this class, one of your 4 test scores is dropped. On the first three tests,...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • IN JAVA (ECLIPSE) Design a TestScores class that has fields to hold three test scores. (If...

    IN JAVA (ECLIPSE) Design a TestScores class that has fields to hold three test scores. (If you have already written the TestScores class for programming challenge 8 of chapter 3, you can modify it.) the class constructor should accept three test scores as arguments and assign these arguments to the test score fields. The class should also have accessor methods for the test score fields, a method that returns the average of the test scores, and a method that returns...

  • In this class, tests are 50% of your grade, homework is 30% of your grade, test...

    In this class, tests are 50% of your grade, homework is 30% of your grade, test reviews are 5% of your grade, and the final exam is 15% of your grade. At the end of the semester, your test average is 55, your homework average is 95, and your review average is 73. What score do you need on the final to get a C (72%) in the class? (Round your answer to 2 decimal places.)

  • SHOW WORK! The scores on two standardized tests are normally distributed. The first test had a...

    SHOW WORK! The scores on two standardized tests are normally distributed. The first test had a mean of 56 and a standard deviation of 6. The second test had a mean of 76 and a standard deviation of 6. What score would you need on the second test to equal a score of 70 on the first test? Give answer to the nearest whole number.

  • Write the definition of the class Tests such that an object of this class can store...

    Write the definition of the class Tests such that an object of this class can store a student's first name, last name, five test scores, average test score, and grade. (Use an array to store the test scores.) Add constructors and methods to manipulate data stored in an object. Among other things, your class must contain methods to calculate test averages, return test averages, calculate grades, return grades, and modify individual test scores. The method toString must return test data...

  • In your biology class, your final grade is based on several things: a lab score, scores...

    In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 17% of your total grade, each major test is worth 24%, and the final exam is worth 35%. Compute the weighted average for the following scores: 80 on the lab, 83 on the first major test, 98 on the...

  • You are given a vector of test scores (tests = [56, 75, 90, 45, 76, 21,...

    You are given a vector of test scores (tests = [56, 75, 90, 45, 76, 21, 86, 95, 81, 84, 79, 67, 76, 72, 89, 85, 55] ) and you wish to normalize these scores by computing a new vector, normTests, which will contain the test scores on a linear scale from 0 to 100. A zero still corresponds to a zero and the highest test score will correspond to 100. (i.e. curve the tests - the maximum test score...

  • Ronnie took the first three statistics tests. His scores are the following: 60, 78, and 86....

    Ronnie took the first three statistics tests. His scores are the following: 60, 78, and 86. Then, Ronnie took the fourth test. What was his score on the fourth test if his overall average is 79.5?

  • IDUN 12 SUUMISSIONS Used At the beginning of the semester you have the following scores on...

    IDUN 12 SUUMISSIONS Used At the beginning of the semester you have the following scores on your first two tests: 93 and 82 (a) What is your current test average? (Round your answer to 2 decimal places.) (b) For the next test your performance slips and you get a 65. What is your new test average, incorporating all three tests? (Round your answer to 2 decimal places)

  • on d. If a teacher wants to increase a class test average of 62 to 70,...

    on d. If a teacher wants to increase a class test average of 62 to 70, what could he or she do to each student's test score to achieve that? Add Doints to each student's to increase the cererage of scores from 42 7. a. A student scores 50 and 100 on two tests in a class. What is his average? 5oo Hoo - 150 - 75 b. Another student scores 75 and 75 on two tests in a class....

  • The scores on two standardized tests are normally distributed. The first test had a mean of...

    The scores on two standardized tests are normally distributed. The first test had a mean of 54 and a standard deviation of 10. The second test had a mean of 78 and a standard deviation of 6. What score would you need on the second test to equal a score of 62 on the first test? Give answer to the nearest whole number.

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT