Question: According to a study conducted by an organization, the proportion of Americans who were afraid to fly in 2006 was 0.10. A random sample of

According to a study conducted by an organization, the proportion of Americans who were afraid to fly in 2006 was 0.10.

A random sample of 1,200 Americans results in 132 indicating that they are afraid to fly. Explain why this is not necessarily evidence that the proportion of Americans who are afraid to fly has increased.

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