John and his mother are trying to determine the dimensions of their new curtains. They know that the area of the fabric they hav
e available is y^2-10y+25 square inches. Which of the following are possible dimensions of the curtains, in inches? A.
(y – 1)(y – 10)
B.
(y – 25)(y – 1)
C.
(y – 5)(y – 5)
D.
(y + 5)(y – 5)
The empirical rule says that approximately 68% of a normal distribution falls within one standard deviation of the mean. In this case, this would include all values of the variable in the interval .
.