Monday

December 22, 2014

December 22, 2014

Posted by **Sam** on Tuesday, March 15, 2011 at 12:48am.

- Statistics -
**PsyDAG**, Wednesday, March 16, 2011 at 2:41amZ = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the Z score related to that proportion. Insert values in the equation above and solve for the score.

- Statistics -
**Anonymous**, Tuesday, December 4, 2012 at 11:22pmThe breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 170 and a variance of 4. The material is considered defective if the breaking strength is less than 166 pounds. What is the probability that a single, randomly selected piece of material will be defective?

**Answer this Question**

**Related Questions**

Business Statistics - 12 out 20 finished the PGA tour - representatives of the ...

Math - 2. Jane is making a suit which requires 2 5/8 yards for the jacket and 1 ...

statistics - John drives to work each morning and the trip takes an average of...

Statistics - John drives to work each morning and the trip takes an average of m...

Statistics - John drives to work each morning and the trip takes an average of...

statistics - John drives to work each morning and the trip takes an average of...

Math 116 - On three consecutive passes, a football team gains 8 yards, lose 26 ...

math - A study of 60 bolts of carpet showed that their average length was 180 ...

geometry - A triangel has sides 36 5/6 yards, 33 4/5 yards, 17 9/10 yards. What ...

math ratio - The ratio of the distances a driver and a 2 iron can propel a golf ...