Suppose a consumer group suspects that the proportion of hou…
Suppose a consumer group suspects that the proportion of households that have three cell phones is 30%. A cell phone company has reason to believe that the proportion is not 30%. Before they start a big advertising campaign, conduct a hypothesis test. Their marketing people surveyed 150 households with the result that 43 of the households have three cell phones. A. Draw the normal curve to indicate what kind of test (one or two tailed) B. Null and Alternative Hypothesis C. Calculator or Desmos function used D. Test Statistic and P-Value E. Final conclusion that addresses the original claim.
Read Details