Stats Solutions

[See Solution] A research study claims that 70% of U.S adults eat dessert after dinner more than 2 days a week. In a random sample of 400 U.S. adults, 290 said

Question: A research study claims that 70% of U.S adults eat dessert after dinner more than 2 days a week. In a random sample of 400 U.S. adults, 290 said they eat dessert after dinner more than 2 days a week. At the α = 0.05 level of significance, what can you conclude about the research study’s claim? Be sure to include the variable that represents this standardized test statistic, AND express your answer to 2 decimal places.

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