**Question List**- Question 7- Question 8- Question 9---**Data Analysis Task**The data provided includes information from 42 candies, with 7 being red. The candy manufacturer claims that 29% of its candies are red. Using the sample data, construct a 95% confidence interval to estimate the percentage of red candies. Consider the validity of the 29% claim.**Task:** Construct a 95% confidence interval to estimate the population percentage of candies that are red.\[ \_\_\_\_ \% < p < \_\_\_\_ \% \]*(Type an integer or decimal rounded to one decimal place as needed.)*---**Weights (g) of a Sample Bag of Candy**| Red | Blue | Brown | Green | Yellow ||------|------|-------|-------|--------|| 0.826 | 0.829 | 0.841 | 0.778 | 0.867 || 0.985 | 0.952 | 0.713 | 0.803 | 0.944 || 0.751 | 0.998 | 0.878 | 0.814 | 0.783 || 0.821 | 0.837 | 0.764 | 0.899 | 0.706 || 0.757 | 0.971 | 0.904 | 0.795 | 0.815 || 0.746 | 0.763 | 0.987 | 0.821 | 0.729 || 0.793 | 0.843 | 0.942 | 0.909 | || | 0.778 | 0.906 | 0.774 | || | 0.944 | | 0.702 | || | 0.915 | | 0.981 | |The table illustrates the weights in grams for a selection of candies by color, informing about potential variances in candy composition by color.

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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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#34).
In a survey of 3213 adults aged 57 through 85 years, it was found that 83.9% of them used at least one prescription medication. Complete parts (a) through (c) below. a. how many of the 3213 subjects used at least one prescription medication? b. construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. c. what do the results tell us about the proportion of college students who use at least one prescription medication?
Construct a 95% confidence interval for p1 - p2 for a survey that finds 30% of 240 males and 41% of 200 females are opposed to the death penalty. Group of answer choices a.(-0.200, -0.021) b.(-1.532, 1.342) c.(-1.324, 1.512) d.(-0.561, 0.651)
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Suppose the English department of a local university has a total of 105 faculty members. Of this number, 24 (about 23%) are part-time instructors. Is it appropriate to find a confidence interval for the percentage of part-time instructors in the department? Find a 95% confidence interval or explain why you should not find a confidence interval for the percentage of part-time instructors in the English department.
Tourism is extremely important to the economy of Florida. Hotel occupancy is an often-reported measure of visitor volume and visitor activity (Orlando Sentinel, May 19, 2018). Hotel occupancy data for February in two consecutive years are as follows, current year previous year occupied rooms 1470 1458 total rooms 1750 1800 a)What is the 95% confidence interval estimate of the change in occupancy for the one-year period? b)Do you think officials will be pleased with the results? c) Using a 0.05 level of significance, test the hypothesis that there has been an increase in the proportion of rooms occupied over the one-year period.
. In a random sample of 400 private high school students, 320 said they brought a smartphone to school that day, while in a random sample of 400 public high school students, 288 said they brought a smartphone to school that day. Which of the following represents a 98 percent confidence interval estimate for the difference (private high school minus public high school) between the proportions of all private high school and public high school students who bring a smartphone to school? (0.8)(0.2) (0.72)(0.28) (A) (0.8-0.72)±1.96, 400 400 (B) (0.8-0.72)±2.054, + (0.8)(0.2) (0.72)(0.28) 400 400 (C) (0.8-0.72)±2.326 + (0.8)(0.2) (0.72)(0.28) 400 400 1 (D) (0.8-0.72)±2.054, (0.76)(0.24) + 400 400 (E) (0.8-0.72)±2.326, (0.76)(0.24) + I 400 400
If two people used the same data and one person made a 90% confidence interval and the other person made a 95% confidence interval for p, which interval would be more narrow? is it; a. The 90% Confidence interval b. The 95% Confidence interval c. We cannot tell from the information alone.
Solve question #6 both part a and part b please and thank you.
A sample of 20 managers was taken, and they were asked whether or not they usually take work from home. The responses of these managers given below, where yes indicates they usually take work home and no means they do not yes yes no no no yes no no no no yes yes no yes yes no no no no yes Find a 95% confidence interval for the percentage of all managers who take work from home. Interpret confidence interval. How large sample is required if we want to be 95% confident that our estimate of p is within 0.02?

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