A politician claims 55% of the voters will vote for him in an upcoming election. An independent watchdog organization queried a random sample of 500 likely voters, of whom only 249 said they would vote for the politician in question.
Do the results of this sample support the politician's claim?

Question

Pierre Gérard · Accepted Answer

Final Answer : No; 249 is more than 2 standard deviations below the mean. Sample results like this would occur approximately 2.5% of the time if the politician's claim of 55% were true.

A politician claims 55% of the voters will vote for him in an upcoming election. An independent watchdog organization queried a random sample of 500 likely voters, of whom only 249 said they would vote for the politician in question.
Do the results of this sample support the politician's claim?

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Learning Objectives

Related questions

A politician claims 55% of the voters will vote for him in an upcoming election. An independent watchdog organization queried a random sample of 500 likely voters, of whom only 249 said they would vote for the politician in question.Do the results of this sample support the politician's claim?

Definitions

Learning Objectives

Learning Objectives

Related questions

A politician claims 55% of the voters will vote for him in an upcoming election. An independent watchdog organization queried a random sample of 500 likely voters, of whom only 249 said they would vote for the politician in question.
Do the results of this sample support the politician's claim?