STATISTICS! According to a CCH Unscheduled Absence survey, 9% of small...

hellogoodbye1

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...businesses use telecommuting..? According to a CCH Unscheduled Absence survey, 9% of small businesses use telecommuting of workers in an effort to reduce unscheduled absenteeism. This proportion compares to 6% for all businesses. Is there really a significant difference between small businesses and all businesses on this issue? Use these data and an alpha of .10 to test this question. Assume that there were 740 small businesses and 941 other businesses in this survey.

z value is?
and decision reject or fail to reject Ho?
 
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