Suppose medical records indicate that the length of newborn babies (in inches) is normally distributed with a mean of 20 and a standard deviation of 2.6. find the probability that a given infant is between 14.8 and 25.2 inches long.
If the coefficient of determination for a data set containing 24 points is 0.5,12 of the data points must lie on the regression line for the data set. true or false?