Homework Answers
1.) The population to whom the confidence interval applies is -
A. They apply to all students at the college.
The parking lot will create new space at the college which will be beneficial for all students.
2.) The correct options are -
A. The sample needs to be random but we don't know if it is.
B. n*p is not greater than 10
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н Select one answer 10 points Parking survey: For a class assignment, a group of statistics...
Select all that apply. 10 points The administration at GSU wants to estimate the number of...
Select all that apply. 10 points The administration at GSU wants to estimate the number of parking spaces they will need next year. They survey so students; 75 of the students in the sample drive to campus by themselves each day. Locations GSU Parking Decks and Lots Which of the following is a reason the administration should not calculate a confidence interval for the proportion of all students who drive to campus? Check all that apply. A. The sample needs...
C (0.331, 0.400) 21) In the months leading up to an election, news organizations conduct many...
C (0.331, 0.400) 21) In the months leading up to an election, news organizations conduct many surveys to help predict the results of the election. Often news organizations will increase the sample size in the last few weeks before the election. Which of the following is the primary reason they increase the sample size? Alarger sample size allows more people to give their input. . Alarger sample size means the sampling method isn't as important. C A larger sample size...
Smoking habits: A group of statistics students conducted a survey about smoking habits on campus to...
Smoking habits: A group of statistics students conducted a survey about smoking habits on campus to determine the proportion of students who believe that smoking hookah (a water pipe) is less harmful than smoking cigarettes. Of the 50 students surveyed, 45 think that smoking hookah is less harmful than smoking cigarettes. Which of the following is a reason that this group of students should not calculate a confidence interval for the proportion of all students who believe that smoking hookah...
The police department is concerning about the number of parking spaces in the campus. The calculations...
The police department is concerning about the number of parking spaces in the campus. The calculations show that the risk of shortage in parking spaces appears if proportion of students driving their own cars increase to 35%. They conducted a student survey and found that 93 out of 368 students drive their own car. Find 95% confidence interval for proportion of all Texas State students who are driving their own car. Is there statistical evidence of the risk of parking...
GSU's Rialto Center for the Performing Arts wanted to investigate why ticket sales for the upcoming...
GSU's Rialto Center for the Performing Arts wanted to investigate why ticket sales for the upcoming season significantly decreased from last year’s sales. The marketing staff collected data from a survey of community residents. Out of the 110 people surveyed, only 7 received the concert brochure in the mail. Which of the following is a reason that the marketing staff should not calculate a confidence interval for the proportion of all community residents who received the concert brochure by mail?...
You are working on an assignment for your statistics class. You need to E Select one...
You are working on an assignment for your statistics class. You need to E Select one answer. estimate the proportion of students at your college who delay taking their first 10 points math class for at least one year. Which sampling plan will produce the most reliable results? A. Obtain a list of all students enrolled at the college. Randomly select 100 students from the list. B. O Work with the math instructors to create a list of students currently...
In a recent survey of 114 WMU graduates, 52 students said that parking was too limited...
In a recent survey of 114 WMU graduates, 52 students said that parking was too limited on campus. What is the estimate of the population proportion? What is the standard error of this estimate? Question 1 options: 1) Estimate of proportion: 0.456, Standard error: 0.0044. 2) Estimate of proportion: 0.456, Standard error: 0.0466. 3) Estimate of proportion: 0.544, Standard error: 0.0466. 4) The true population proportion is needed to calculate this. 5) Estimate of proportion: 0.544, Standard error: 0.0044. Question...
A group of business administration students conducted a survey on their college campus to find out...
A
group of business administration students conducted a survey on
their college campus to find out student demand for a product, a
protein supplement for fruit smoothies. One of the first steps was
to extract a random sample of 237 students and obtain data that
could be useful in developing their marketing strategy. If {a ratio
of 0.53 students decide to drink smoothies in the afternoon. Find
the margin of error for the 95% confidence interval for the
proportion of...
ference for One Proportion Progress ou are on quesion 8 of 20 Choose the BEST answer Academic Advising In 2014, the C Since then, a local Califormnia community college that participated in the su...
ference for One Proportion Progress ou are on quesion 8 of 20 Choose the BEST answer Academic Advising In 2014, the C Since then, a local Califormnia community college that participated in the survey hired several new academic counselors and focused on outreach efforts to increase student awareness of avalable services The counseling office staff then conducted a survey of 500 randomly selected students at the college and 26% of those students said that they rarely or never use academic...
#1 ULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question....
#1
ULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) To monitor campus security, the campus police office is taking a survey of the number of students in a parking lot each 30 minutes of a 24-hour period with the goal of determining when patrols of the lot would serve the most students. If X is the number of students in the lot each period of time, then X is an example of...
Select all that apply. 10 points The administration at GSU wants to estimate the number of parking spaces they will need next year. They survey so students; 75 of the students in the sample drive to campus by themselves each day. Locations GSU Parking Decks and Lots Which of the following is a reason the administration should not calculate a confidence interval for the proportion of all students who drive to campus? Check all that apply. A. The sample needs...
C (0.331, 0.400) 21) In the months leading up to an election, news organizations conduct many surveys to help predict the results of the election. Often news organizations will increase the sample size in the last few weeks before the election. Which of the following is the primary reason they increase the sample size? Alarger sample size allows more people to give their input. . Alarger sample size means the sampling method isn't as important. C A larger sample size...
You are working on an assignment for your statistics class. You need to E Select one answer. estimate the proportion of students at your college who delay taking their first 10 points math class for at least one year. Which sampling plan will produce the most reliable results? A. Obtain a list of all students enrolled at the college. Randomly select 100 students from the list. B. O Work with the math instructors to create a list of students currently...
A
group of business administration students conducted a survey on
their college campus to find out student demand for a product, a
protein supplement for fruit smoothies. One of the first steps was
to extract a random sample of 237 students and obtain data that
could be useful in developing their marketing strategy. If {a ratio
of 0.53 students decide to drink smoothies in the afternoon. Find
the margin of error for the 95% confidence interval for the
proportion of...
ference for One Proportion Progress ou are on quesion 8 of 20 Choose the BEST answer Academic Advising In 2014, the C Since then, a local Califormnia community college that participated in the survey hired several new academic counselors and focused on outreach efforts to increase student awareness of avalable services The counseling office staff then conducted a survey of 500 randomly selected students at the college and 26% of those students said that they rarely or never use academic...
#1
ULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) To monitor campus security, the campus police office is taking a survey of the number of students in a parking lot each 30 minutes of a 24-hour period with the goal of determining when patrols of the lot would serve the most students. If X is the number of students in the lot each period of time, then X is an example of...
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