OpenStax, Introductory Business Statistics 2e §9.4 Full Hypothesis Test Examples · Example 5 · Statistics · Hypothesis testing

Full Hypothesis Test Examples · Example 5

Suppose a consumer group suspects that the proportion of households that have three or more 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, they conduct a hypothesis test. Their marketing people survey 150 households with the result that 43 of the households have three or more cell phones.

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OpenStax, Introductory Business Statistics 2e · §9.4 Full Hypothesis Test Examples · Example 5

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