A normal curve with a mean of 500 and a standard deviation of 100 is shown. The shaded region under the curve is represented within one standard deviation of the mean. Approximately, how much of the data falls within the shaded region? * Captionless Image
20%
40%
70%
100%
What is the approximate mean weight of a chip bag using the chart below? (Remember, the mean is the average of the given numbers. Specifically in this case, the average of the numbers given for ounces.) *
Captionless Image
8 oz
9 oz
10 oz
12 oz