6.18 Is college worth it? Part II: Exercise 6.16 presents the results of a poll where...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
6.18 Is college worth it? Part II: Exercise 6.16 presents the results of a poll where 47% of 325 Americans who decide to not go to college do so because they cannot afford it. (a) Calculate a 90% confidence interval for the proportion of Americans who decide to not go to college because they cannot afford it, and interpret the interval in context. lower bound: (please round to four decimal places) upper bound: (please round to four decimal places) Interpret the confidence interval in context: We can be 90% confident that our confidence interval contains the sample proportion of Americans who choose not to go to college because they cannot afford it O We can be 90% confident that the proportion of Americans who choose not to go to college because they cannot afford it is contained within our confidence interval 90% of Americans choose not to go to college because they cannot afford it (b) Suppose we wanted the margin of error for the 90% confidence level to be about 1.5%. How large of a survey would you recommend? A survey should include at least people. 6.18 Is college worth it? Part II: Exercise 6.16 presents the results of a poll where 47% of 325 Americans who decide to not go to college do so because they cannot afford it. (a) Calculate a 90% confidence interval for the proportion of Americans who decide to not go to college because they cannot afford it, and interpret the interval in context. lower bound: (please round to four decimal places) upper bound: (please round to four decimal places) Interpret the confidence interval in context: We can be 90% confident that our confidence interval contains the sample proportion of Americans who choose not to go to college because they cannot afford it O We can be 90% confident that the proportion of Americans who choose not to go to college because they cannot afford it is contained within our confidence interval 90% of Americans choose not to go to college because they cannot afford it (b) Suppose we wanted the margin of error for the 90% confidence level to be about 1.5%. How large of a survey would you recommend? A survey should include at least people.
Expert Answer:
Answer rating: 100% (QA)
n325 P 047 at 90 Confidence intear dir O05 X 1 09o 010 Zc Zo05 645 PlIP 9... View the full answer
Related Book For
Posted Date:
Students also viewed these accounting questions
-
Exercise 47 shows the results of a poll that asked about gun ownership. Suppose we select three adults at random from this sample. a) What is the probability that all three respond Yes? b) What is...
-
The following MINITAB output presents the results of a hypothesis test for the difference between two proportions. a. Is this a left-tailed test, a right-tailed test, or a two-tailed test? b. What is...
-
The following MINITAB output presents the results of a test of the null hypothesis Ho: A = 0. a. What are the slope and intercept of the least-squares regression line? b. Can you conclude that x is...
-
The contingency table shown relates happiness and gender for the 2012 GSS. a. Identify the response variable and the explanatory variable. b. Construct a table or graph showing the conditional...
-
Thomas Railroad Company organizes its three divisions, the North (N), South (S), and West (W) regions, as profit centers. The chief executive officer (CEO) evaluates divisional performance, using...
-
Use Avogadros number (Section 10.3) to show that 1u = 1.66 x 10-27kg.
-
Pete Hollingsworth is currently taking an accounting course and is confused about what his professor told the class about analyzing financial statements. Pete would like you to lead a study session...
-
The 2012 accounting records of Liz Ten Transport reveal these transactions and events. InstructionsPrepare the cash flows from operating activities section using the direct method. (Not all of the...
-
Why are logistics services and integral part of global SCMM? Please provide ten examples
-
List three main departures that the U.C.C. made from the common law of contracts. Also explain all of these.
-
A project with a profitability index of 1.156 also has net cash flows with a present value of $ 57800 . The projects internal rate of return was 10 %. The initial investment was $ 55000 . $ 66817 . $...
-
Are the mean and the median the exact same in this distribution? Why or why not? 10 8 6 4 2 0 3 4 5 6 7
-
You are part of a team in charge of a project to help people in your company (500 people) lose weight. This project is part of a competition, and the top losers will be featured in a popular...
-
Describe the shape of this distribution. 10 8 6 4 2 0 3 - 4 5 6 7
-
In a perfectly symmetrical distribution, when would the mode be different from the mean and median?
-
Describe the relationship between the mean and the median of this distribution. 10 8 6 4 2 0 3 4 5 60 7
-
Direct Labor Budget For the Year Ending December 31, 2024 First Second Third Fourth Year Quarter Quarter Quarter Quarter Direct labor hours 3 0 0 0 00 Labor rate per hour $ 12 $0 $ 0 $ 0$ 0 Direct...
-
a. Determine the domain and range of the following functions.b. Graph each function using a graphing utility. Be sure to experiment with the window and orientation to give the best perspective of the...
-
Refer to Example 2.54. a. Find Cov(X,Y). b. Find X,Y .
-
A company has hired 15 new employees, and must assign 6 to the day shift, 5 to the graveyard shift, and 4 to the night shift. In how many ways can the assignment be made?
-
Deforestation is a serious problem throughout much of India. The article ??Factors Influencing People??s Participation in Forest Management in India?? (W. Lise, Ecological Economics, 2000:379??392)...
-
Write a computing procedure to make draws from a univariate truncated normal density T N [ a , b ] [ , 2 ] using the inverse transform method given in Section 12.8.2. Here [ a , b ] are lower and...
-
Consider the standard binary logit regression model (see Section 14.3). (a) Write down the log-likelihood function. (b) Introduce a random intercept assumption in which the intercept is drawn from a...
-
Show that if N [ , 1 ] , and Gamma [ / 2 , / 2 ] , then the unconditional distribution of is a multivariate t -distribution with parameters ( , , ) .
Study smarter with the SolutionInn App