a. Assume that nothing is known about the rate of e-cigarette usage among adults.n=(Round up to the nearest integer.)b. Use the results from the 2014 survey....n=(Round up to the nearest integer.)c. Does the use of the result from the 2014 survey have much of an effect on the sample size?OA. No, using the result from the 2014 survey does not change the sample size.B. No, using the result from the 2014 survey only slightly reduces the sample size.OC. Yes, using the result from the 2014 survey only slightly increases the sample size.OD. Yes, using the result from the 2014 survey dramatically reduces the sample size. A New York Times article reported that a survey conducted in 2014 included 36,000 adults, with 3.72% ofthem being regular users of e-cigarettes. Because e-cigarette use is relatively new, there is a need toobtain today's usage rate. How many adults must be surveyed now if a confidence level of 95% and amargin of error of 1 percentage point are wanted? Complete parts (a) through (c) below.

It is given asMargin of error, E = 1% = 0.01Confidence level = 95%

Answered: a. Assume that nothing is known about…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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What is the sample mean for the given dataset 72,26,52,73,73,41,63,83,64
28
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How is a sample related to a population? Choose the correct answer below. OA. A sample is a subset of a population. OB. A sample is a numerical measure that describes a sample characteristic. OC. A sample is the collection of all outcomes, responses, measurements, or counts.
A random sample of employees participating in a company fitness program were asked how many days they logged an exercise activity in the past month. Their responses are reported in the histogram below.Based on the histogram above, what is the class width? Clas width = ? Days What is the sample size? Sample size = ? employees
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Participant Keyboard A Keyboard B Keyboard C Keyboard D A 6. 3. -- 4 4 -- -- E 4 6. -- -- Are the data enough to conclude that there are significant differences in typing performance among the four keyboard designs. Test with a = .05. 2. 3.
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A. What is the mean, median and mode? Separate answers with a single comma, i.e. 3.000,3.000,3.000 b. What is the standard deviation and sample variance? separate answers with a comma, i.e. 3.000,9.000 c.What is the largest value, smallest value and the sum of values? Separate answers with a comma, i.e. 4.543,11.345,46.000

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