http://www.ck12.org Chapter 6. Normal Distribution Curves
- In the United States, cola can normally be bought in 8 oz cans. A survey was conducted where 250 cans of
cola were taken from a manufacturing warehouse and the volumes were measured. It was found that the mean
volume was 7.5 oz, and the standard deviation was 0.1 oz. Draw a normal distribution curve to represent this
data and then answer the following questions. (b) 68% of the volumes can be found between __ and
_. (c) 95% of the volumes can be found between __ and _. (d) 99.7% of the
volumes can be found between __ and _____. - The mean height of the fourth graders in a local elementary school was found to be 4’8”, or 56”. The standard
deviation was found to be 5”. Draw a normal distribution curve to represent this data and then answer the
following questions. (b) 68% of the heights can be found between __ and _. (c) 95% of
the heights can be found between __ and _. (d) 99.7% of the heights can be found between
__ and _____.