The owner of
local Jazz Club has recently surveyed a random sample of n = 200
customers of the club. She would now like to determine whether or not the mean
age of her customers is over 30. If so, she plans to alter the club programs to
appeal to an older crowd. If not, no changes will be made. The appropriate
hypotheses to test are:

Question

The owner of
local Jazz Club has recently surveyed a random sample of  n  = 200
customers of the club. She would now like to determine whether or not the mean
age of her customers is over 30. If so, she plans to alter the club programs to
appeal to an older crowd. If not, no changes will be made. The appropriate
hypotheses to test are:

Answer

H 0 :   µ =  30 vs.  H 1 : µ    <  30

Answer

H 0 :  x̄  =  30 vs.  H 1 : x̄  <  30.

Answer

H 0 :   µ =  30 vs.  H 1 : µ   >  30

Answer

H 0 : x̄  =  30 vs.  H 1 : x̄  >  30.

Crowdly

The owner of local Jazz Club has recently surveyed a random sample of n = 200...

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