Question
Use the confidence level and sample data to find a confidence interval for estimating the population...
Use
the confidence level and sample data to find a confidence interval
for estimating the population mean. A local telephone company
randomly selected a sample of 679 duration of calls. The a sample
mean amount was 6.81 min with a population standard deviation of
5.1 min. Construct a confidence interval to estimate the population
mean of pulse rate if a confidence level is 99% .
Initial Data:
E(margin of error result value) =
CI(population mean confidence interval result value)=
Homework Answers
Answer #1
Not the answer you're looking for?
Similar Questions
Use the confidenve level and sample data to find a confidence interval for estimating the population...
Use
the confidenve level and sample data to find a confidence interval
for estimating the population mean. A special research company
randomly selected a simple random sample of 75 birth weights in US.
The mean has of 3433 g with population standard deviation of 495 g
of all birth weights in US. Construct a 90% confidence interval to
estimate the population mean of birth weights
Initial Data:
E(margin of error result value) =
Cl(population mean confidence interval result value)=
#1 Use the confidence level and sample data to find a confidence interval for estimating the...
#1 Use the confidence level and sample data to find a confidence
interval for estimating the population μ. Find the margin of error
E and round your answer to the nearest tenth. Test scores: n = 93,
LaTeX: \bar{x}x ¯ = 88.5, σ = 6; 99% confidence
#2 A sociologist develops a test to measure attitudes towards
public transportation, and n = 82 randomly selected subjects are
given the test. Their mean score is LaTeX: \bar{x}x ¯ = 75.9 and...
Find the margin of error for a 95% confidence interval for estimating the population mean when...
Find the margin of error for a 95% confidence interval for
estimating the population mean when the sample standard deviation
equals 90 with a sample size of (i) 484 and (ii) 1600
(i) Find the margin of error for a 95% confidence interval for
estimating the population mean when the sample standard deviation
equals 90 with a sample size of 484
(ii).
(ii) Find the margin of error for a 95% confidence interval
for estimating the population mean when the...
Use the given confidence level and sample data to find the margin of error and ultimately...
Use the given confidence level and sample data to find the
margin of error and ultimately the confidence interval for
estimating the population mean ?. Round to two decimal places. 1.
Salaries of statistics professors: 95% confidence; ? = 100; ?̅ =
$95,000 and ? is known to be $12,345
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 mean μ. Assume that the
population has a normal distribution. Thirty randomly selected
students took the calculus final. If the sample mean was 90 and the
standard deviation s = 6.7, construct a 99% confidence interval for
the mean score of all students
1) Use the given confidence interval to find the margin of error and the sample mean....
1) Use the given confidence interval to find the margin of error
and the sample mean. (12.8,19.8)
2) In a random sample of four microwave ovens, the mean repair
cost was $60.00 and the standard deviation was $12.00. Assume the
population is normally distributed and use a t-distribution to
construct a 99% confidence interval for the population mean ?.
What is the margin of error of ? Interpret the results.
Use the sample data and confidence level to construct the confidence interval estimate of the population...
Use the sample data and confidence level to construct the
confidence interval estimate of the population proportion p.
n=6400,
x=4100,95% confidence
A sample mean, sample size, population standard deviation, and confidence level are provided. Use this information...
A sample mean, sample size, population standard deviation,
and confidence level are provided. Use this information to complete
parts (a) through (c) below.
x=54, n=14, σ=5, confidence level=99%
A. Use the one-mean z-interval procedure to find a confidence
interval for the mean of the population from which the sample was
drawn.
The confidence interval is from ___to___
B. Obtain the margin of error by taking half the length of the
confidence interval.
What is the length of the confidence interval?...
Use the given confidence level and sample data to find a confidence interval for the population...
Use the given confidence level and sample data to find a
confidence interval for the population standard deviation. Assume
that the population has a normal distribution. College students'
annual earnings: 98% confidence; n = 9, sample mean = $3211, s =
$897 Please show work using Excel
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 mean μ. Assume that the
population has a normal distribution. Thirty randomly selected
students took the calculus final. If the sample mean was 95 and the
standard deviation was 6.6, construct a 99% confidence interval
for the mean score of all students.
A.92.95 <μ <97.05
B.92.03 <μ <97.97
C.91.69 <μ <98.31
D.91.68 <μ <98.32
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 13 minutes ago
asked 42 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 2 hours ago
asked 2 hours ago