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25-11-2022
Mathematics

Answered

The average manufacturing work week in metropolitan Chattanooga was 40.1 hours last year. It is believed that
the recession has led to a reduction in the average work week. To test the validity of this belief, the hypotheses
are
a. H0: u < 40.1 Ha: u >= 40.1
b. H0: u => 40.1 Ha: u < 40.1
c. H0: u > 40.1 Ha: u <= 40.1
d. H0: u = 40.1 Ha: u =/= 40.1
b. H0: u => 40.1 Ha: u < 40.1

Answer :

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