Question

Suppose that 65% of all registered voters in an area favor a certain policy. Among 100...

Suppose that 65% of all registered voters in an area favor a certain policy. Among 100 randomly selected registered voters, find the following:

a. P(x ≤ 70), the probability that at most 70 favor the policy? Round to two decimal places.

b. P(x ≥ 75), the probability that at least 75 favor the the policy? Round to two decimal places.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Suppose that 95% of all registered voters in a certain state favor banning the release of...
Suppose that 95% of all registered voters in a certain state favor banning the release of information from exit polls in presidential elections until after the polls in that state close. A random sample of 25 registered voters is to be selected. Let x = number of registered voters in this random sample who favor the ban. (Round your answers to three decimal places.) (a) What is the probability that more than 20 voters favor the ban? (b) What is...
1. Suppose that 61% of all the city’s voters favor the candidate. Find the probability that...
1. Suppose that 61% of all the city’s voters favor the candidate. Find the probability that in a random sample poll of 18 voters taken in a large city, at least 75% will favor a certain candidate for mayor. 2. Suppose that 61% of all the city’s voters favor the candidate. Find the probability that in a random sample poll of 18 voters taken in a large city, less than 6 will favor a certain candidate for mayor.
It is known that in a certain congressional district, 40% of all registered voters are Republicans....
It is known that in a certain congressional district, 40% of all registered voters are Republicans. Ten registered voters are selected at random from the district. What is the binomial probability that at most two of the voters selected are Republicans?
In a certain congressional district, it is known that 30% of the registered voters classify themselves...
In a certain congressional district, it is known that 30% of the registered voters classify themselves as conservatives. If ten registered voters are selected at random from this district, what is the probability that two of them will be conservatives? (Round your answer to four decimal places.)
Suppose 60% of the registered voters in a country are Democrats. If a sample of 793...
Suppose 60% of the registered voters in a country are Democrats. If a sample of 793 voters is selected, what is the probability that the sample proportion of Democrats will be greater than 64%? Round your answer to four decimal places.
38​% of a certain​ country's voters think that it is too easy to vote in their...
38​% of a certain​ country's voters think that it is too easy to vote in their country. You randomly select 12 likely voters. Find the probability that the number of likely voters who think that it is too easy to vote is​ (a) exactly​ three, (b) at least​ four, (c) less than eight. ​(a) P(3)=   ​(Round to three decimal places as​ needed.) ​(b) Upper P left parenthesis x greater than or equals 4 right parenthesis equals nothing ​(Round to three...
A Field Poll Survey reported that 53% of registered voters in a state approved of allowing...
A Field Poll Survey reported that 53% of registered voters in a state approved of allowing two people of the same gender to marry and have regular marriage laws apply to them. Among 18 to 39 year olds (registered voters in this state), the approval rating was 76%. Seven in ten registered voters in this state said that the upcoming Supreme Court's ruling about the constitutionality of a proposition was either very or somewhat important to them. Out of those...
Suppose that 45 % of the population of U.S. voters favors a particular presidential candidate. If...
Suppose that 45 % of the population of U.S. voters favors a particular presidential candidate. If a random sample of 75 voters is chosen, approximate the probability that more than 35 favor this candidate. Use the normal approximation to the binomial with a correction for continuity. Round your answer to at least three decimal places. Do not round any intermediate steps. (If necessary, consult a list of formulas.) Problem Page Suppose that 45 % of the population of U.S. voters...
In a randomly selected sample of 400 registered voters in a community, 160 individuals say that...
In a randomly selected sample of 400 registered voters in a community, 160 individuals say that they plan to vote for Candidate Y in the upcoming election. (a) Find the sample proportion planning to vote for Candidate Y. (Round your answer to two decimal places.) (b) Calculate the standard error of the sample proportion. (Round your answer to three decimal places.) (c) Find a 95% confidence interval for the proportion of the registered voter population who plan to vote for...
In a randomly selected sample of 500 registered voters in a community, 240 individuals say that...
In a randomly selected sample of 500 registered voters in a community, 240 individuals say that they plan to vote for Candidate Y in the upcoming election. Find a 95% confidence interval for the proportion of the registered voter population who plan to vote for Candidate Y. (Round your answers to three decimal places.) Find a 98% confidence interval for the proportion of the registered voter population who plan to vote for Candidate Y. (Round your answers to three decimal...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT