Question: Help with question 360 please show me 2.5 pts Provide an appropriate response. In order to efficiently bid on a contract, a contractor wants to

Help with question 360 please show me

2.5 pts Provide an appropriate response. 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. Previous contracts indicate that the standard deviation is 4.5 hours. How large a sample must be selected? 05 O 20 O 19 0 4 Previous

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