For the given confidence level and values of x and n, find the following.x = 46, n= 98, confidence level 90%Part: 0/ 3Part 1 of 3(a) Find the point estimate. Round the answers to at least four decimal places, if necessary.The point estimate for the given data isSkip PartCheck AnswerSave For LateO2022 McGraw Hill LLC. All Rights Reservee here to searchW

Answered: Image /qna-images/answer/7894c8c2-8582-46d7-ae29-3957f69c6a7f.jpg

Answered: For the given confidence level and…

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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Use the expression in the accompanying discussion of sample size to find the size of each sample if you want to estimate the difference between proportions of men and women who own smartphones. Assume that you want 90% confidence that your error is no more than 0.04. The sample should include ___ men and ___ women.
Determine whether the statement below makes sense or does not make sense. Explain clearly. Based on our sample, the 95% confidence interval for the mean amount of television watched by adults in a nation is 3.5 to 4.1 hours per day. Therefore, there is 95% chance that the mean for all adults in the nation will fall somewhere in this range and a 5% chance that it will not. Choose the correct answer below. O A. The statement makes sense. There is 95% probability that the confidence interval limits actually contain the true value of the population mean, so the probability it does not fall in this range is 100% - 95% = 5%. O B. The statement does not make sense. The probability the population mean is greater than the upper limit is 5% and the probability it is less than the lower limit is 5%, so the probability it does not is 5% + 5% = 10%. O C. The statement makes sense. There is 5% probability that the confidence interval limits do not contain the true value of the sample mean, so the…
We wish to estimate what percent of adult residents in a certain county are parents. Out of 400 adult residents sampled, 356 had kids. Based on this, construct a 95% confidence interval for the proportion, p, of adult residents who are parents in this county.Give your answers as decimals, to three places. ______ < p < _______
fitting a straight line to a set of data yields the following prediction line. Predict the mean value of Y for x=4
Use the information below to answer Questions #19 and #20. In a survey of 2327 adults, 726 say they believe in UFOS. Construct a 90% confidence interval for the population proportion of adults who believe in UFOS. Find the left end point for a 90% confidence interval. Round to three decimal places as needed.
Use the histogram below to build a 95% confidence interval of the average heart rate of a person. Put your two numbers below in the spaces provided. Round to one decimal: ex: 98.2 The histogram visualizes the results of doing one thousand studies just like above. We are 95% confident that the average heart rate of a person is between ____and_____ All information needed to answer this problem is present. There is no missing information to this question.
Directions: Solve the following. Show your complete solution. Fifty randomly selected jeepneys were stopped, and the tread depth of their right front tires were measured. The mean was 0.32 inch and the standard deviation was 0.08 inch. Find the 99% confidence interval of the mean depth. Assume that the variable is approximately normally distributed.
QUICK ANSWER PLEASE 1.if your p-value=0.961 and your confidence level = 95% what does this imply for signifance and why ? 2. your professer says, your final exam grade hsa a t-score is a -0.25. what does this imply for you grade in comparsion to the class and why?
help with part 3 please
Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n = 1005 and x = 580 who said "yes." Use a 95% confidence level. Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) ew an example Get more help. MacBook Air ... Clear all Chec.

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