A New York Times article reported that a survey conducted in 2014 included 36,000 ​adults, with 3.72​% of them being regular users of​ e-cigarettes. Because​ e-cigarette use is relatively​ new, there is a need to obtain​ today's usage rate. How many adults must be surveyed now if a confidence level of 90​% and a margin of error of 2.5 percentage points are​ wanted? Complete parts​ (a) through​ (c) below. a. Assume that nothing is known about the rate of​ e-cigarette usage among adults. n = ____________ b. Use the results from the 2014 survey. n = ______________

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A: Given :  n = 3005 p̂=0.817

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A:

Q: . How many of the 3335 subjects used at least one prescription​ medication? b. Construct a​ 90%…

A: n = 3335 p = 0.804

Q: A New York Times article reported that a survey conducted in 2014 included 36,000 ​adults, with…

A: Suppose p is the true population proportion of all adults who use e-cigarettes.

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A:

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Q: A New York Times article reported that a survey conducted in 2014 included 36,000​adults, with…

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A:

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A: https://drive.google.com/file/d/1S_b_En4yZMZPhsaGfBA2eE_M0IJFOVeW/view?usp=sharing

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A: Simple random sampling: Simple random sampling is defined as a method of sampling in which, a sample…

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A:

Q: Suppose we have the results of a Gallup survey (simple random sampling) which asks participants for…

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Q: womence level. Use E=1%. 2) In a survey of 700 random households in a particular city in NCR, adults…

A:

Q: Find the margin of​ error, using a​ 95% confidence​ level, for estimating the percentage of all…

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Q: b. In the year 2000, a survey of 1171 U.S. adults were asked who they felt was the greatest…

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Q: Macmillan Learning (a) What is the sum of the percentages for these top social media sites? Give…

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Q: 3. The Pew Internet and American Life Project conducted a poll between Oct 23 and Nov 19, 2006, in…

A: Given information X = 598, Sample size (n) = 935

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A:

Q: Construct a 95% confidence interval for p1 - p2 for a survey that finds 30% of 240 males and 41% of…

A: