A production manager tests 10 lightbulbs and finds their mean lifetime is 442 hours. She then designs a sales package for this type of bulb. It states that consumers can expect the bulb to last approximately 450 hours. This is an example of what phase of inferential statistics?
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Home » Mathematics » A production manager tests 10 lightbulbs and finds their mean lifetime is 442 hours. She then designs a sales package for this type of bulb. It states that consumers can expect the bulb to last approximately 450 hours.