Total members = 2000
Percent favour in the buliding anew public library = 20%
Number people in favour = 2000×0.2 =400
if there are 2000 adult citizens in a town and 20% favor building a new public...
The mayor of a town believes that 55% of the residents favor annexation of a new community. Is there sufficient evidence at the 0.05 level to dispute the mayor's claim? State the null and alternative hypotheses for the above scenario. The mayor of a town believes that more than 46% of the residents favor construction of a new bridge. Is there sufficient evidence at the 0.05 level to support the mayor's claim? State the null and alternative hypotheses for the...
A survey of 410 citizens found that 384 of them favor a new bill introduced by the city. We want to find a 95% confidence interval for the true proportion of the population who favor the bill. what is the lower limit of the interval?
A SURVEY OF 450 CITIZENS FOUND THAT 353 OF THEM FAVOR A NEW BILL INTRODUCED BY THE CITY. WE WANT TO FIND A 95% CONFIDENCE INTERVAL FOR THE TRUE PROPORTION OF THE POULATION WHO FAVOR THE BILL. WHAT IS THE LOWER OF THE INTERVAL? (ROUND TO 3 DECIMAL DIGITS)
A survey of 548 citizens found that 363 of them favor a new bill introduced by the city. we want to find a 95% confidence interval for the true proportion of the population who favor the bill. what is the lower limit of the interval? ( Round to 3 decimal digits)
Last month independent pollsters studying Russian President Putin's popularity interviewed 2000 adult Russian citizens. The poll found that 1260 of the people interviewed don't trust Putin. 95% confidence interval for the proportion of all Russian citizens who don't trust Putin is (0.5921, 0.6679) (0.6200, 0.6400) (0.6088, 0.6512) (0.6134, 0.6476)
A previous random sample of 4000 U.S. citizens yielded 2250 who are in favor of gun control legislation. How many citizens would need to be sampled for a 95% confidence interval to estimate the true proportion within 2%
A poll is given, showing 35% are in favor of a new building project. If 8 people are chosen at random, what is the probability that exactly 1 of them favor the new building project?
A poll is given, showing 50% are in favor of a new building project. If 6 people are chosen at random, what is the probability that exactly 1 of them favor the new building project?
A poll is given, showing 35% are in favor of a new building project. If 8 people are chosen at random, what is the probability that exactly 3 of them favor the new building project?
A poll is given, showing 80% or in favor of a new building project. If seven people are chosen at random, what is the probability that exactly 6 of them favor the new building project.