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Based on a poll conducted by the Centers for Disease Control, 862 of 1013 randomly selected...

  1. Based on a poll conducted by the Centers for Disease Control, 862 of 1013 randomly selected adults said they always wear seat belts.

What is the point estimate of the population proportion of adults who always wear seat belts? State the “letter = a number”

Construct a 99% confidence interval for the proportion of adults who always wear seat belts. (You may use the calculator function but be sure to state the calculator functions and the inputs that you use.)

Math   Statistics-And-Probability   
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