Thursday

July 24, 2014

July 24, 2014

Posted by **Harley** on Tuesday, June 28, 2011 at 12:59pm.

a. less than 6 tons?

b. more that 7 tons?

c. between 6 and 7 tons?

- statistics -
**PsyDAG**, Friday, July 1, 2011 at 6:17pmZ = (score-mean)/SD

a. Z = (6-6.4)/.3

Calcuate Z score and find its value in the table in the back of your stat text labeled something like "areas under normal distribution" to get the probability.

Use similar processes for b abd c.

**Related Questions**

statistics - Scores on a certain nationwide college entrance examination follow ...

Statistics - The weights of trout in a certain river follow a normal ...

Statistics - The weights of the fish in a certain lake are normally distributed ...

statistics - The actual weights of bags of pet food are normally distributed.The...

statistics - The weights of certain machine components are normally distributed ...

Statistics - The weights of the fish in a certain lake are normally distributed ...

Statistics - A paper manufacturer claims that fewer than 1 in 100 of its reels (...

statistics - The actual weights of bag of pet food are normally distributed.The ...

statistics - The weights of individual nails produced by the 'Hammer 'n Nail' ...

statistics - the weights of shells follow a normal distribution. a random sample...