1.
In the country of United States of Heightlandia, the heightmeasurements of ten-year-old children are approximately normallydistributed with a mean of 55.7 inches, and standard deviation of1.7 inches.
What is the probability that the height of a randomly chosen childis between 53.05 and 53.95 inches? Do not rounduntil you get your your final answer, and then round to 3 decimalplaces.
Answer= (Round your answer to 3 decimal places.)
2.
The mean daily production of a herd of cows is assumed to benormally distributed with a mean of 35 liters, and standarddeviation of 4.2 liters.
A) What is the probability that daily production isless than 26.8 liters?
Answer= (Round your answer to 4 decimal places.)
B) What is the probability that daily production ismore than 24.9 liters?
Answer= (Round your answer to 4 decimal places.)
Warning: Do not use the Z Normal Tables...they may not be accurateenough since WAMAP may look for more accuracy than comes from thetable.
