The 68-95-99.7 Rule Example
Figure 1 illustrates how to apply the 68-95-99.7 Rule to the distribution of IQ scores. In this example, the population mean is 100 and the standard deviation is 15. Based on the 68-95-99.7 Rule, approximately 68% of the individuals in the population have an IQ between 85 and 115.
Answer: 1.47 sheets
Step-by-step explanation:
Duane's mum purchased a new pair of sneakers for him on his birthday.
Length of shoe box= 10 inches
Width of shoe box= 13 inches
Height of shoe box= 5 inches
Volume of the shoe box= length×width×height
= 10 × 13 × 5
= 650 inches
The wrapping paper measures 26 inches by 27 inches
= 26 × 17
= 442 inches
The sheets of wrapping paper that Duane's mum need to buy will be:
Volume of shoe box divided by measurements for wrapping paper.
= 650 / 442
= 1.47 sheets
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