Sunday

April 20, 2014

April 20, 2014

Posted by **Lovepreet** on Tuesday, July 23, 2013 at 5:56pm.

- Math -
**Ms. Sue**, Tuesday, July 23, 2013 at 6:55pm500 * .8 = 400

77 + 90 + 66 + 82 = 315

400 - 315 = 85 needed on next test

- Math -
**PsyDAG**, Tuesday, July 23, 2013 at 6:56pmmean = ∑x/n

80 = (77+90+66+82+x)/5

Solve for x.

**Related Questions**

statistics - Calculate the z-score for each set of data. Determine who did ...

Math - Denzal's first 3 scores in math were 90,100,90. a.what must Denzal score ...

MATH - Katie must take five exams in a math class. Her scores on the first four ...

Statistics - Suppose that two different tests A and B are to be given to a ...

statistics - Three students take equivalent stress tests. Which is the highest ...

statistics - Three students take equivalent stress tests. Which is the highest ...

math - what is the z-score for the given raw score, mean and standard deviation...

math - A teacher allows the students to each "throw out" their lowest test score...

Math - The class average on a math quiz was 74 and the standard deviation was 6....

math - Mary's test grades were 77, 85, 77, 82, and 80. Mary's teacher recorded ...