Which is a simplified form of the expression 4b – (9b – 8)?
a. -5b + 8
b. -5b – 8
c. 5b + 8
d. 5b – 8

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?