Sunday

February 1, 2015

February 1, 2015

Posted by **Laynette** on Sunday, August 28, 2011 at 5:03pm.

(A) What percentage of the grapefruits in this orchard have diameters less than 7.1 inches?

(B) What percentage of the grapefruits in this orchard are larger than 6.8 inches?

- statistics -
**PsyDAG**, Monday, August 29, 2011 at 11:35amZ = (score-mean)/SD = (score-6.45)/.45

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to these Z scores. Multiply by 100 to get percentage.

**Answer this Question**

**Related Questions**

Math - The diameters of grapefruits in a certain orchard are normally ...

statistics - The diameters of apples in a certain orchard are normally ...

statistics - The diameters of apples in a certain orchard are normally ...

Statistics - The diameters of a wooden dowel produced by a new machine are ...

statistics - Assume that the population of heights of male college students is ...

Statistics - The amount of rainfall in January in a certain city is normally ...

Statistics - The distribution of a sample of the outside diameters of PVC gas ...

statistics - The annual precipitation amounts in a certain mountain range are ...

math - The diameters of a wooden dowel produced by a new machine are normally ...

Statistics - Assuming that the heights of college women are normally distributed...