From 1983 to 2007, the number b of federally insured banks could be approximated by b ( t ) = − 325.6 t + 13721 where t is the year and t=0 corresponds to 1983.

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day