131 students at a college were asked whether they had completed their required English 101 course,...
131 students at a college were asked whether they had completed
their required English 101 course, and 88 students said "yes". Find
the best point estimate for the proportion of students at the
college who have completed their required English 101 course. Round
to four decimal places.
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131 students at a college were asked whether they had completed
their required English 101 course,...
97 students at a college were asked whether they had completed their required English 101 course,...
97 students at a college were asked whether they had completed their required English 101 course, and 54 students said "yes". Construct the 80% confidence interval for the proportion of students at the college who have completed their required English 101 course. Enter your answer as a tri-linear inequality using decimals (not percents) accurate to three decimal places.
Due in 4 hours, 12 minutes. Doe Sun 11/102019 103 students at a college were asked...
Due in 4 hours, 12 minutes. Doe Sun 11/102019 103 students at a college were asked whether they had completed their required English 101 course, and 55 students said "yes". Construct the 95% confidence interval for the proportion of students at the colle who have completed their required English 101 course. Enter your answers as decimals (not percents) accurate to three decimal places. The Confidence Interval is ) Points possible: 1 This is attempt 1 of 2 Post this question...
A sample of college students was asked whether they would return the money if they found...
A sample of college students was asked whether they would return the money if they found a wallet on the street. Of the 93 women, 84 said "yes," and of the 75 men, 47 said "yes." Assume that these students represent all college students. (a) Find separate approximate 95% confidence intervals for the proportions of college women and college men who would say "yes" to this question. (Round the answers to three decimal places.) for women for men (b) Find...
The prerequisite for Chem-201 at a college is Chem-101 or instructor approval. Suppose 85% of the students in Chem-201 had taken Chem-101, and of them, 70% passed Chem-201 Furthermore, of the student...
The prerequisite for Chem-201 at a college is Chem-101 or instructor approval. Suppose 85% of the students in Chem-201 had taken Chem-101, and of them, 70% passed Chem-201 Furthermore, of the students who passed Chem-201, 86.4% had taken Chem-101 beforehand. A student in Chem-201 is randomly chosen. a) Find the probability that the student passed Chem-201 b) Find the probability that the student enrolled in Chem-201 with instructor approval, given that the student failed the course a) The probability that...
When a survey asked subjects whether they would be willing to accept cuts in their standard...
When a survey asked subjects whether they would be willing to accept cuts in their standard of living to protect the environment, 324 of 1140 subjects said yes. a. Find the point estimate of the proportion of the population who would answer yes. (round to 6 decimal places) b.Find the margin of error for a 95% confidence interval. (round to 6 decimal places) c. Construct the 95% confidence interval for the population proportion. What do the numbers in this interval...
When 500 junior college students were surveyed, 140 said that they have previously owned a motorcycle....
When 500 junior college students were surveyed, 140 said that they have previously owned a motorcycle. Find a point estimate for p, the population proportion of students who have previously owned a motorcycle. Round to the nearest thousandth
One question on a survey asked whether people believe in hell. Of the possible responses, 484...
One question on a survey asked whether people believe in hell. Of the possible responses, 484 answered "Yes, definitely," and 588 did not respond with "Yes, definitely." Find the point estimate of the population proportion who would have answered "Yes, definitely" when asked whether they believe in hell. What is the point estimate of the population proportion who would have answered "Yes, definitely"? (Round to three decimal places as needed.)
Sixty-four students in an introductory college economics class were asked how many credits they had earned...
Sixty-four students in an introductory college economics class were asked how many credits they had earned in college, and how certain they were about their choice of major. At α = .02, is the degree of certainty independent of credits earned? Credits Earned Very Uncertain Somewhat Certain Very Certain Row Total 0 – 9 15 7 2 24 10 – 59 10 5 6 21 60 or more 4 10 14 28 Col Total 29 22 22 73 Click here...
Suppose a poll conducted at a certain college during their most recent spring semester asked 695...
Suppose a poll conducted at a certain college during their most recent spring semester asked 695 college students whether or not a privately owned dining hall should be allowed on campus. The response "Yes, it should" was selected by 38% of the respondents. (a) Suppose the researchers who conducted the poll reported "For results based on the total college population, once can say with 95% confidence that the margin of sampling error is no greater than 4 percentage points." Explain...
Suppose that students in a statistics course were asked whether they preferred multiple choice questions or...
Suppose that students in a statistics course were asked whether they preferred multiple choice questions or whether they preferred short answer questions. 70% said that they preferred multiple choice questions. 60% of the students were male. 75% of the males preferred multiple choice. Suppose a randomly selected student is a female. What is the probability the student prefers multiple choice questions?
Due in 4 hours, 12 minutes. Doe Sun 11/102019 103 students at a college were asked whether they had completed their required English 101 course, and 55 students said "yes". Construct the 95% confidence interval for the proportion of students at the colle who have completed their required English 101 course. Enter your answers as decimals (not percents) accurate to three decimal places. The Confidence Interval is ) Points possible: 1 This is attempt 1 of 2 Post this question...
A sample of college students was asked whether they would return the money if they found a wallet on the street. Of the 93 women, 84 said "yes," and of the 75 men, 47 said "yes." Assume that these students represent all college students. (a) Find separate approximate 95% confidence intervals for the proportions of college women and college men who would say "yes" to this question. (Round the answers to three decimal places.) for women for men (b) Find...
The prerequisite for Chem-201 at a college is Chem-101 or instructor approval. Suppose 85% of the students in Chem-201 had taken Chem-101, and of them, 70% passed Chem-201 Furthermore, of the students who passed Chem-201, 86.4% had taken Chem-101 beforehand. A student in Chem-201 is randomly chosen. a) Find the probability that the student passed Chem-201 b) Find the probability that the student enrolled in Chem-201 with instructor approval, given that the student failed the course a) The probability that...
Suppose a poll conducted at a certain college during their most recent spring semester asked 695 college students whether or not a privately owned dining hall should be allowed on campus. The response "Yes, it should" was selected by 38% of the respondents. (a) Suppose the researchers who conducted the poll reported "For results based on the total college population, once can say with 95% confidence that the margin of sampling error is no greater than 4 percentage points." Explain...
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