Math
posted by Melody .
The mean of three test scores is 74. What must a fourth test score be to increase the mean to 78?

Math 
Jamie
The answer is...
Wait, I think I just forgot.
Ohh....
Never mind!
The answer is:
The test scores are 34,56,78,98.
So the fourth test score is 98.
Hope this helped 
Math 
Writeacher
Melody/Jamie/Natalie/James ~
Playing the nameswitching game on this website is a good way to get yourself banned!
Respond to this Question
Similar Questions

Math
Denzal's first 3 scores in math were 90,100,90. a.what must Denzal score on his fourth test to keep his mean score at 90 or higher? 
statistics!
1) Entry to a certain University is determined by a national test. The scores on this test are normally distributed with a mean of 500 and a standard deviation of 100. Tom wants to be admitted to this university and he knows that he … 
statistics
The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is = 100. a. What is the … 
statistics
The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is = 100. a. What is the … 
Statistics
The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is = 100. a. What is the … 
Math
The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is = 100. a. What is the … 
Math
The mean of a set of four test scores is 85. If three of the test scores are 81,83, and 85, what is the fourth test score? 
math new question
15. Which of the following would best display information in a frequency table that has been divided into categories? 
Math Ms. Sue please help me
The mean of the set of four test scores is 88. If three of the test scores are 84, 88, and 94, what is the fourth test score? 
Math
another student in the class had the following test scores:83,78,91,80,_?