Sunday

February 1, 2015

February 1, 2015

Posted by **kinshassa** on Friday, July 22, 2011 at 1:15pm.

- statistics -
**MathGuru**, Friday, July 22, 2011 at 7:04pmUse z-scores and a z-table to find your probability.

Formula:

z = (x - mean)/sd

mean = 68

sd = 3

Find two z-values, using 67 and 69 for x.

Next, check a z-table for the probability between the two z-scores.

I hope this will help get you started.

**Answer this Question**

**Related Questions**

Statistics - The heights of 18 year old men are approximately normally ...

Statistics - The heights of 18-year-old men are approximately normally ...

Statistics - A simple random sample of 50 female 14-year-olds is selected. The ...

Statistics - The Boeing 757-200 ER airliner carries 200 passengers and has doors...

Statistics - In a murder trial in Los Angeles, a shoe expert stated that the ...

stat - assume that the heights of men are normally distributed with a mean of 68...

probability - 1. The time it takes a student to cycle to school is normally ...

statistics - It is well known that the heights of individual American men are ...

statistics - The heights of South African men are normally distributed with a ...

statistics - the average amount of rain per year in Greenville is 49 inches. the...