Question

In a random sample of 300 students, 60 are found to own a bicycle. An approximate...

In a random sample of 300 students, 60 are found to own a bicycle.

An approximate 95% confidence interval for the proportion of students who own a bicycle is, to three decimal places:

(0.154, 0.246)

(0.162,0.238)

(0.185,0.215)

(0.155,0.245)

(0.182,0.218)

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
In a random sample of 94 bicycle wheels, 44 were found to have critical flaws that...
In a random sample of 94 bicycle wheels, 44 were found to have critical flaws that would result in damage being done to the bicycle. Determine the lower bound of a two-sided 95% confidence interval for p, the population proportion of bicycle wheels that contain critical flaws. Round your answer to four decimal places.
A new survey found that out of a random sample of 300 high school students throughout...
A new survey found that out of a random sample of 300 high school students throughout the country who had previously signed up to take the AP Statistics exam, 83% of them still planned on taking the adjusted version. Construct and interpret a 95% confidence interval for the true proportion of all students who still plan on taking their AP Stats exam. Explain what 95% confidence means in the context of this question. The AP exam believes that more than...
In the past, 60% of all undergraduate students enrolled at State University earned their degrees within...
In the past, 60% of all undergraduate students enrolled at State University earned their degrees within four years of matriculation. A random sample of 95 students from the class that matriculated in the fall of 2014 was recently selected to test whether there has been a change in the proportion of students who graduate within four years. Administrators found that 40 of these 95 students graduated in the spring of 2018 (i.e., four academic years after matriculation). Given the sample...
1) The BCC Dean of Instruction selected a random sample of 250 BCC students and found...
1) The BCC Dean of Instruction selected a random sample of 250 BCC students and found that 30% of them were interested in pursuing STEM (science, technology, engineering, and mathematics) careers. Which of the following is a 95% confidence interval of the proportion of all BCC students interested in STEM careers? Round the standard error to three decimal places when calculating your answer. Group of answer choices .299 to .301 .271 to .329 .243 to .357 .250 to .350
In a random sample of 25 students, 14 students answered "Yes" to the question “Do you...
In a random sample of 25 students, 14 students answered "Yes" to the question “Do you use a grocery delivery app?” Use the “plus-four” method to find a 95% confidence interval for the true proportion of students who use a grocery delivery app. Round to 3 decimal places, if necessary.
A random sample of 100 preschool children in Camperdown revealed that only 60 had been vaccinated....
A random sample of 100 preschool children in Camperdown revealed that only 60 had been vaccinated. Provide an approximate 95% confidence interval for the proportion vaccinated in that suburb. a) We have 95% confidence that the interval, .5842 ≤ μ ≤ .7903 will contain the population proportion of children who have been vaccinated. b) We have 95% confidence that the interval, .5504 ≤ μ ≤ .6560 will contain the population proportion of children who have been vaccinated. c) We have...
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. Round to three decimal places. When 267267 college students are randomly selected and​ surveyed, it is found that 101101 own a car. Find a​ 99% confidence interval for the true proportion of all college students who own a car.
A random sample of 121 NKU students was taken to test the proportion of students who...
A random sample of 121 NKU students was taken to test the proportion of students who had attended a Reds game in 2015. 95% confidence interval results: Variable Count Total Sample Prop. Std. Err. L. Limit U. Limit Reds 65 121 0.53719008 0.045328634 0.44834759 0.62603257 1. Verify that the conditions are met to construct a 95% confidence interval for the proportion of NKU students who attended a Reds game in 2015. 2. Construct a 95% confidence interval: 3. Interpret the...
In a random sample of 68 professional actors, it was found that 43 were extroverts. (a)...
In a random sample of 68 professional actors, it was found that 43 were extroverts. (a) Let p represent the proportion of all actors who are extroverts. Find a point estimate for p. (Round your answer to four decimal places.) (b) Find a 95% confidence interval for p. (Round your answers to two decimal places.) lower limit     upper limit     C.For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding....
Suppose that a random sample 80 recent graduates of students is taken and it is found...
Suppose that a random sample 80 recent graduates of students is taken and it is found that 30 of them participated in an undergraduate research project while at school. a) Find a 99% confidence interval for the population proportion of students who participate in undergraduate research while at school. b) Using the fact that 30 out of the 80 graduates participated in undergraduate research, how large a sample of graduates is needed to arrive at a 99% confidence interval with...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT