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According to the most recent census, 16.3% of US residents are of Hispanic origin. One county supervisor believes her county has asmaller percentage than what

According to the most recent census, 16.3% of US residents are of Hispanic origin. One county supervisor believes her county has asmaller percentage than what was reported in the census. A survey of 203 individuals in the county was conducted, and each person was asked to report their origin. It was found that 14.14% of those surveyed identified as being of Hispanic origin. Test the appropriate hypotheses using a significance level of 0.10.

  • H0: ____________________ Ha:____________________
  • = ________________ decision rule: ___________________
  • Test Statistic: z = _____________________ (Note: round the z-score to two decimal places - carry at least four decimal places throughout all of your calculations)
  • probability= _________________________ (Note: round the probability to four decimal places)
  • Decision: ____________________
  • Conclusion: At the 0.10 level, there ________________ significant evidence to conclude the percentage of residents in this county who are of Hispanic origin is __________________ than 16.3%.

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