Question 704079
OK, I DID AN EXAMPLE FOR YOU SO YOU CAN UNDERSTAND IT BETTER:
MY EXAMPLE IS AGE OF PEOPLE IS 65,WITH A SAMPLE OF 30

FRIST ADD UP ALL YOUR DATA TO GET A SUM
MY SUM IS 1725
TO GET X-BAR 1725 DIVIDE BY 30,,,X-BAR =57.5
STANDARD DEVIATION= σ=6
SAMPLE SIZE N=30
HO:µ=65
HA:=#65
A=0.01
AT THE SIGNIFICANCE LEVEL OF A=0.01,THE CRITICAL VALUE FOR Z -CRIT.=±1.285
TEST STATISTIC Z=(X BAR -µ)/(σ/√N)=
(57.5-65)/(6/√30)=-6.84653
SINCE -6.84653<-1.285 WE REJECT HO AND THEREFORE CONCLUDES THAT THE 
RESEACHERS CALIM IS NOT TRUE. 
YOU STUDY THIS EXAMPLE AND I AM SURE YOU WILL THEN KNOW HOW TO DO YOUR PROBLEM
THIS EXAMPLE IS JUST LIKE WALKING YOU THROUGH