If we assume the mileages are normally distributed, approximately ...

[Beheh]

If we assume the mileages are normally distributed, approximately what percentage of all such tires will last between 42,500 and 57,500 miles?

Question 2

Explain the meaning of the following statement The data value x = 30 has a deviation value of 6..

[cloudre37]

Answer to Question 1

According to the Empirical Rule, approximately 99.7 of all such tires will last between 42,500 and 57,500 miles (i.e., within three standard deviations of the mean).

Answer to Question 2

The value x = 30 is 6 larger than the mean.

[Beheh]

Thanks for the timely response, appreciate it

[gcook]

Excellent