In order to efficiently bid on a contract, a contractor wants to be 95% confident that his error is less than two hours in estim
ating the average time it takes to install tile flooring. Previous contracts indicate that the standard deviation is 4.5 hours. How large a sample must be selected? DON'T JUST GIVE THE ANSWER - SHOW WORK AND EXPLAIN YOUR PROCESS EACH STEP OF THE WAY SO THAT I CAN FOLLOW WHAT YOU DID AND CHECK YOUR WORK.
Given that in order to efficiently bid on a contract, a contractor wants to be 95% confident that his error is less than two hours in estimating the average time it takes to install tile flooring.
the average mass of cat is 5000 grams, so if you convert this into KG then the answer would be 5 kg because if 1000*5 = 5000 which equals to 5 kg.....hope this helps :)
