Mathematics, 07.10.2021 02:00, HayleiMae

A Gallup Poll showed that 30% of Americans are satisfied with the way things are going in the United States. Suppose a sample of 20 Americans is selected as part of a study of the state of the nation. For the sample of 20 Americans, compute the expected number of Americans who are satisfied with the way things are going in the United States. For the sample of 20 Americans, compute the standard deviation of the number of Americans who are satisfied with the way things are going in the United States.

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A Gallup Poll showed that 30% of Americans are satisfied with the way things are going in the United...