Wednesday

July 30, 2014

July 30, 2014

Posted by **chalulu** on Sunday, March 13, 2011 at 5:49pm.

- Statistics -
**MathGuru**, Wednesday, March 16, 2011 at 8:40pmmean = np = 90 * 1/5 = ?

(Note: convert any fractions to decimals.)

standard deviation = √npq = √(90 * 1/5 * 4/5) = ?

(Note: q = 1 - p)

I'll let you take it from here.

**Related Questions**

Elementary Statistics - There are 100 questions from an SAT test, and they are ...

stats - a test consists of 25 multiple choice questions. Each has 5 possible ...

Statistics - There are 100 questions from a SAT test, and they are all multiple ...

Statistics - A multiple choice test consists of 60 questions. Each question has ...

elementary stats - On a multiple choice test with 11 questions, each question ...

probability - a multiple choice test consists of 8 questions, each with 4 ...

probability and statistics - a multiple choice test onsists of 8 questions, each...

statistics - a quiz consists of 30 true or false questions. if the student ...

math - Statistics: Analyze student exam scores Students were given an exam with ...

Statistics - Students were given an exam with 300 multiple-choice questions. The...