In a study of crime, the FBI found that 13.2% of all Americans had been victims...
In a study of crime, the FBI found that 13.2% of all Americans had been victims of crime during a 1-year period. This result was based on a sample of 1,105. Estimate the upper limit of the confidence interval of the percentage of U.S. adults who were victims at the 99% confidence level.
Please round to the nearest whole number.
Homework Answers
upper limit of the confidance
interval of the percentage of U.S.adults who where victims at the
99%confidance level is 0.16 or 16%
Add Answer to:
In a study of crime, the FBI found that 13.2% of all Americans
had been victims...
I keep getting 0 wrong. sion Details Seven Homework (Estimation) z submitted Jan 12 at 9pm...
I keep getting 0 wrong.
sion Details Seven Homework (Estimation) z submitted Jan 12 at 9pm Question 2 0/0.5 pts In a study of crime, the FBI found that 13.2% of all Americans had been victims of crime during a 1-year period. This result was based on a sample of 1,105. Estimate the percentage of U.S. adults who were victims at the 90% confidence level. What is the lower bound of the confidence interval? Please round to the nearest whole...
Although older Americans are most afraid of crime, it is young people who are more likely to be t...
Although older Americans are most afraid of crime, it is young people who are more likely to be the actual victims of crime. It seems that older people are more cautious about the people with whom they associate. A national survey showed that 10% of all people ages 16-19 have been victims of crime.† At Jefferson High School, a random sample of n = 66 students (ages 16-19) showed that r = 9 had been victims of a crime. Note:...
A poll conducted in 2013 found that the proportion of of U.S. adult Twitter users who...
A poll conducted in 2013 found that the proportion of of U.S. adult Twitter users who get at least some news on Twitter was 0.52. The standard error for this estimate was 0.024, and a normal distribution may be used to model the sample proportion. 1. Construct a 99% confidence interval for the proportion of U.S. adult Twitter users who got some news on Twitter. Round to four decimal places. to 2. Identify each of the following statements as true...
In a random sample of 46 Denver neighborhoods, the crime rates per 1000 population were found...
In a random sample of 46 Denver neighborhoods, the crime rates per 1000 population were found to have a mean of 64.2 and a sample standard deviation of 27.9. Find a 95% confidence interval for the population mean crime rate of all Denver neighborhoods. Interpret the confidence interval in context of the problem and find all of the following x-bar std dev n Confidence Level Margin of Error Point Estimate Lower Limit Upper Limit Thank you!
A poll done for an organization found that 13% of Americans have seen or sensed the...
A poll done for an organization found that 13% of Americans have seen or sensed the presence of an angel. A contingent doubts that the percent is really that high. It conducts its own survey. Out of 73 Americans surveyed, only two had seen or sensed the presence of an angel. As a result of the contingent's survey, would you agree with the organization's poll? Conduct a hypothesis test at the 5% level. What is the test statistic? What is...
In a survey on supernatural experiences, 728 of 4009 adult Americans surveyed reported that they had...
In a survey on supernatural experiences, 728 of 4009 adult Americans surveyed reported that they had seen or been with a ghost. (a) What assumption must be made in order for it to be appropriate to use the formula of this section to construct a confidence interval to estimate the proportion of all adult Americans who have seen or been with a ghost? 1. We need to assume that there are only 728 adult Americans. 2. We need to assume...
1,2,3,4 is True/False (6 points) A poll conducted in 2013 found that the proportion of of...
1,2,3,4 is True/False
(6 points) A poll conducted in 2013 found that the proportion of of U.S. adult Twitter users who get at least some news on Twitter was 0.52. The standard error for this estimate was 0.024, and a normal distribution may be used to model the sample proportion. 1. Construct a 99% confidence interval for the proportion of U.S. adult Twitter users who got some news on Twitter. Round to three decimal places. to 2. Identify each of...
A random sample of 366 married couples found that 298 had two or more personality preferences...
A random sample of 366 married couples found that 298 had two or more personality preferences in common. In another random sample of 574 married couples, it was found that only 22 had no preferences in common. Let p1 be the population proportion of all married couples who have two or more personality preferences in common. Let p2 be the population proportion of all married couples who have no personality preferences in common. (a) Find a 99% confidence interval for...
A random sample of 388 married couples found that 280 had two or more personality preferences...
A random sample of 388 married couples found that 280 had two or more personality preferences in common. In another random sample of 562 married couples, it was found that only 36 had no preferences in common. Let p1 be the population proportion of all married couples who have two or more personality preferences in common. Let p2 be the population proportion of all married couples who have no personality preferences in common. (a) Find a 99% confidence interval for...
It was all wrong. I need help SOS! ven Homework (Estimation) omitted Jan 12 at 9pm...
It
was all wrong. I need help SOS!
ven Homework (Estimation) omitted Jan 12 at 9pm A subsample of the 2006 MTF survey suggests that adolescents are generally concerned with social issues. In fact, 70% of the 1,482 respondents who answered the question reported that they either sometimes or often think about social issues. Estimate 95% and 99% confidence intervals the percentage of all adolescents who sometimes or often think about social issues. Please round to a whole number. 95%...
I keep getting 0 wrong.
sion Details Seven Homework (Estimation) z submitted Jan 12 at 9pm Question 2 0/0.5 pts In a study of crime, the FBI found that 13.2% of all Americans had been victims of crime during a 1-year period. This result was based on a sample of 1,105. Estimate the percentage of U.S. adults who were victims at the 90% confidence level. What is the lower bound of the confidence interval? Please round to the nearest whole...
1,2,3,4 is True/False
(6 points) A poll conducted in 2013 found that the proportion of of U.S. adult Twitter users who get at least some news on Twitter was 0.52. The standard error for this estimate was 0.024, and a normal distribution may be used to model the sample proportion. 1. Construct a 99% confidence interval for the proportion of U.S. adult Twitter users who got some news on Twitter. Round to three decimal places. to 2. Identify each of...
It
was all wrong. I need help SOS!
ven Homework (Estimation) omitted Jan 12 at 9pm A subsample of the 2006 MTF survey suggests that adolescents are generally concerned with social issues. In fact, 70% of the 1,482 respondents who answered the question reported that they either sometimes or often think about social issues. Estimate 95% and 99% confidence intervals the percentage of all adolescents who sometimes or often think about social issues. Please round to a whole number. 95%...
Most questions answered within 3 hours.
-
The current risk-free rate is 4.0% and the market risk premium
is 5.0%. If Ford Motor...
asked 14 minutes ago -
Advances in technology have increased our opportunities to
connect with others. Along with the benefits of...
asked 22 minutes ago -
Compute the interest rate at which $500 per month payments
should grow to accumulate savings of...
asked 23 minutes ago -
The following information pertains to a weekly payroll of Texera
Tile Company:
a. The total wages...
asked 25 minutes ago -
Alice has the RSA public key (n, e) = (11413, 251) and private
key d =...
asked 38 minutes ago -
QUESTION 5
A drug or medicine can reach the brain more effectively by
placing the drug...
asked 42 minutes ago -
Developmental biology
A mouse contains a mutation that results in a failure of their
long
bones...
asked 38 minutes ago -
Rammazzotti, Inc., is looking for feedback on company
performance. The company compares the budget for the...
asked 43 minutes ago -
A manufacturer of chocolate chips would like to know whether its
bag filling machine works correctly...
asked 52 minutes ago -
Consider the student registration business process at
your college:
1.)Describe the steps necessary for you to...
asked 59 minutes ago -
when released from rest at point A, an unknown ion moves to
point B. At point...
asked 51 minutes ago -
A stock is expected to pay the following dividends: $1.1
four years from now, $1.4 five...
asked 56 minutes ago