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Sidana [21]
3 years ago
13

A school counselor heard that teenagers sleep an average of 9 hours per night on the weekend. The counselor

Mathematics
1 answer:
Katen [24]3 years ago
7 0

Answer:

H0​:μ=9 hours Ha​:μ not equal to 9 hours​

Step-by-step explanation:

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igor_vitrenko [27]

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Step-by-step explanation:

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