The estimate of the population proportion is to be within plus or minus .05, with a...
The estimate of the population proportion is to be within plus or minus .05, with a 99 percent level of confidence. The best estimate of the population proportion is .12. How large a sample is required? (Round up your answer to the next whole number.) Sample size
Homework Answers
| here margin of error E = | 0.050 | |
| for99% CI crtiical Z = | 2.576 | |
| estimated proportion=p= | 0.1200 | |
| required sample size n = | p*(1-p)*(z/E)2= | 281.00 |
Add Answer to:
The estimate of the population proportion is to be within plus
or minus .05, with a...
The estimate of the population proportion is to be within plus or minus 0.02, with a...
The estimate of the population proportion is to be within plus or minus 0.02, with a 90% level of confidence. The best estimate of the population proportion is 0.18. How large a sample is required?
a. Assume that a sample is used to estimate a population proportion p. Find the 95%...
a. Assume that a sample is used to estimate a population proportion p. Find the 95% confidence interval for a sample of size 198 with 42 successes. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places. 95% C.I. = b. A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 0.5% margin of error at a 99% confidence...
Suppose the U.S. President wants an estimate of the proportion of the population who support his...
Suppose the U.S. President wants an estimate of the proportion of the population who support his current policy toward revisions in the Social Security system. The president wants the estimate to be within 0.02 of the true proportion. Assume a 90 percent level of confidence. The presidential polotical advisors found a similair survery from two years agothat reported 61% of people supoorted health care revisions. . a. how large a sample is required? (Round intermediate values to 3 decimal points....
Suppose the U.S. president wants an estimate of the proportion of the population who support his...
Suppose the U.S. president wants an estimate of the proportion of the population who support his current policy toward revisions in the health care system. The president wants the estimate to be within 0.02 of the true proportion. Assume a 95% level of confidence. The president's political advisors estimated the proportion supporting the current policy to be 0.43. (Use z Distribution Table.) a. How large of a sample is required? (Round the z-values to 2 decimal places. Round up your...
Suppose the U.S. president wants an estimate of the proportion of the population who support his...
Suppose the U.S. president wants an estimate of the proportion of the population who support his current policy toward revisions in the health care system. The president wants the estimate to be within 0.03 of the true proportion. Assume a 90% level of confidence. The president's political advisors estimated the proportion supporting the current policy to be 0.56. (Use z Distribution Table.) How large of a sample is required? (Round the z-values to 2 decimal places. Round up your answer...
Suppose the U.S. president wants an estimate of the proportion of the population who support his...
Suppose the U.S. president wants an estimate of the proportion of the population who support his current policy toward revisions in the health care system. The president wants the estimate to be within 0.03 of the true proportion. Assume a 98% level of confidence. The president's political advisors estimated the proportion supporting the current policy to be 0.58. (Use z Distribution Table.) a. How large of a sample is required? (Round the z-values to 2 decimal places. Round up your...
Suppose the U.S. president wants to estimate the proportion of the population that supports his current...
Suppose the U.S. president wants to estimate the proportion of the population that supports his current policy toward revisions in the health care system. The president wants the estimate to be within 0.03 of the true proportion. Assume a 90% level of confidence. The president’s political advisors found a similar survey from two years ago that reported that 40% of people supported health care revisions. (Use z Distribution Table.) How large of a sample is required? (Round up your answer...
Suppose the U.S. president wants an estimate of the proportion of the population who support his...
Suppose the U.S. president wants an estimate of the proportion of the population who support his current policy toward revisions in the health care system. The president wants the estimate to be within 0.03 of the true proportion. Assume a 98% level of confidence. The president's political advisors estimated the proportion supporting the current policy to be 0.54. (Use z Distribution Table.) a. How large of a sample is required? (Round the z-values to 2 decimal places. Round up your...
Suppose the U.S. president wants an estimate of the proportion of the population who support his...
Suppose the U.S. president wants an estimate of the proportion of the population who support his current policy toward revisions in the Social Security system. The president wants the estimate to be within 0.026 of the true proportion. Assume a 98 percent level of confidence. The president's political advisors estimated the proportion supporting the current policy to be 0.61. (Round up your answers to the next whole number.) (a) How large of a sample is required? . (b) How large...
A population is estimated to have a standard deviation of 12. We want to estimate the...
A population is estimated to have a standard deviation of 12. We want to estimate the population mean within 2, with a 95% level of confidence. How large a sample is required? (Round up your answer to the next whole number.)
Suppose the U.S. president wants an estimate of the proportion of the population who support his current policy toward revisions in the health care system. The president wants the estimate to be within 0.03 of the true proportion. Assume a 90% level of confidence. The president's political advisors estimated the proportion supporting the current policy to be 0.56. (Use z Distribution Table.) How large of a sample is required? (Round the z-values to 2 decimal places. Round up your answer...
Most questions answered within 3 hours.
-
11.53g sample of NaBr contains 22.34% Na by mass Considering
the law of constant composition how...
asked 32 minutes ago -
Exercise 5-22A Complete the accounting cycle using receivable
transactions (LO5–1, 5–2, 5–4, 5–5, 5–7) [The following...
asked 1 hour ago -
Do you agree with the view that small businesses are more
vulnerable to employee theft because...
asked 1 hour ago -
Four forces act on an object, given by A = 41.3 N east, B = 46.3...
asked 2 hours ago -
Which of the following design considerations leads to more
user-friendly presentation layers for GUIs? [Check all...
asked 2 hours ago -
38%
of adults say cashews are their favorite kind of nut. You
randomly select 12 adults...
asked 5 hours ago -
Notational Inc. is considering installing a new server. The
machine costs $100,000 and is expected to...
asked 5 hours ago -
Given the information coding of DNA strand:
5'-TTT-TAC-GAA-GAG-TGA-3',
Write the corresponding DNA template and mRNA strand...
asked 5 hours ago -
2. Boris recently synthesized an explosive compound he named
Badenoughium. The molecular formula for Bdenoughium is...
asked 9 hours ago -
5. A car decelerate evenly from a velocity of 50mph until rest
in a distance of...
asked 9 hours ago -
IN HTML Programming
1. Write a script that inputs integers (one at a time) and
passes...
asked 9 hours ago -
A dentist uses a mirror to examine a tooth that is 0.75 cm in
front of...
asked 9 hours ago