Question

Big chickens: A report from a poultry industry news website stated that the weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1425 grams and standard deviation 180 grams. Use the Cumulative Normal Distribution Table to answer the following.

(b) Find the 90th percentile of the weights.

(c) Find the third quartile of the weights.

(d) A chicken farmer wants to provide a money-back guarantee that his broilers will weigh at least a certain amount. What weight should he guarantee so that he will have to give his customers' money back only 3% of the time? Round your answers to at least two decimals.

Answer 1



B) 90th percentile of weight is 1655.76gram

C) 3rd quartile (75th percentile) of weight is 1546.5gram

D) minimum guarantee for 3% come back for money back policy is 930 gram. It means 97% of the chicken weight is more than 950gram