Air handling: The mean lifetime of a handheld leaf blower is reported to be 250 hours. A lawncare technician believes the actual lifetime to be less than 250 hours. A test is made of H:u= 250 versus H, : u<250. The null hypothesis is rejected. State an appropriate conclusion. 250 hours. There (Choose one) v enough evidence to conclude that the mean lifetime is (Choose one) v

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Air handling: The mean lifetime of a handheld leaf blower is reported to be 250 hours. A lawncare technician believes the actual lifetime to be less than 250
hours. A test is made of H:=250 versus H, : µ<250. The null hypothesis is rejected. State an appropriate conclusion.
There (Choose one) venough evidence to conclude that the mean lifetime is (Choose one) ▼ 250 hours.
Transcribed Image Text:Air handling: The mean lifetime of a handheld leaf blower is reported to be 250 hours. A lawncare technician believes the actual lifetime to be less than 250 hours. A test is made of H:=250 versus H, : µ<250. The null hypothesis is rejected. State an appropriate conclusion. There (Choose one) venough evidence to conclude that the mean lifetime is (Choose one) ▼ 250 hours.
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