1, The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 32 liters, and standard deviation of 7.7 liters.

A) What is the probability that daily production isbetween9.7 and 25.6 liters?Do not round until you get your final answer.

Answer= (Round your answer to 4 decimal places.)

Warning: Do not use the Z Normal Tables...they may not be accurate enough since WAMAP may look for more accuracy than comes from the table.

, Based on the data shown below, calculate the regression line (each value to two decimal places)

NOTE: If Copy/Paste is disabled, please carefully type these data into StatCrunch by hand.

y = x +(Round each answer to four places)

x y

4. 16.85

5. 16.9

6. 17.35

7. 17.7

8. 13.55

9. 13.4