The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 38 who smoke. Step 1 of 2:  Suppose a sample of 273 Americans over 38 is drawn. Of these people, 79 smoke. Using the data, estimate the proportion of Americans over 38 who smoke. Enter your answer as a fraction or a decimal number rounded to three decimal places.   Step 2 of 2:  Suppose a sample of 273 Americans over 38 is drawn. Of these people, 79 smoke. Using the data, construct the 85% confidence interval for the population proportion of Americans over 38 who smoke. Round your answers to three decimal places.   Lower end point, upper end point

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Q: physicians

A: Number of success = x= 3145 n=5804

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A: Introduction Descriptive statistics provides a summary of the features of the data.

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A:

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A: Given statement is: Nielsen  Media  Research  determined  the precise  proportion  of  all Americans…

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A:

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A: It is given that a recent survey suggests that about 79​% of adults have heard of the brand.

Q: Please answer the questions in the photo and explain. Thank you

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A:

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Q: Part 2 out of 3   b. How many scores are below 90?

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.