Valerie and robbie are playing a number game. valerie tells robbie “i’m thinking of a number between 1 and 50. if i divide the number by 4, then add 5, that subtract 6, i get 6.” what number is valerie thinking of ?

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.