CO 1) A survey of 385 people who like wild sweaters found that 74% had a...
CO 1) A survey of 385 people who like wild sweaters found that 74% had a wild holiday sweater. What is the population and what is the sample?
Homework Answers
POPULATION: The people who like wild sweaters.
SAMPLE: 385 people from the population
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CO 1) A survey of 385 people who like wild sweaters
found that 74% had a...
pt 1 Information A survey of people who own smartphones found that 35% of people check...
pt 1 Information A survey of people who own smartphones found that 35% of people check their phones at least once an hour. These people are called "constant checkers. Suppose you were to draw a random sample of 10 smartphone owners Question 1 (1 point) The number of constant checkers in the sample has a binomial distribution. What are n and p?
A nationwide survey found that 64% of people in the Kingdom like Berger. If 3 people...
A nationwide survey found that 64% of people in the Kingdom like Berger. If 3 people are selected at random with replacement, what is the probability that all three don't like Berger?
2. (11 pt) A survey found that 16% of U.S. consumers used the Internet to buy...
2. (11 pt) A survey found that 16% of U.S. consumers used the Internet to buy gifts during the 1999 holiday season. Assume that this percentage was based on a sample of 1285 people. (Make sure to show all work.) a. Using 99% confidence, what is the margin of error associated with the estimated proportion of people who bought gifts using the Internet? bought gifts using the Internet? error is 1%? b. What is the 99%confidence interval for the population...
A recent survey found that 74% of households had Internet access and 70% of households had...
A recent survey found that 74% of households had Internet access and 70% of households had cable television. Also, it was reported that 69% of the households in the survey had both Internet and cable television. Determine the probability of selecting a household that had either Internet access or cable television P(Internet or cable)- Type an integer or a decimal) (u) More A company that bakes chocolate chip cookies averages 52 chocolate chips per cookie. Assume that the number of...
CO 1) A survey of all 35 employees at a small company of them like the...
CO 1) A survey of all 35 employees at a small company of them like the recent changes to the company’s benefits. Is this percentage a parameter or a statistic and why? Parameter as it represents the sample Parameter as it represents the population Statistic as it represents the population Statistic as it represents the sample
(CO 1) A survey of 128 DeVry statistics students found that 83% read the announcements each...
(CO 1) A survey of 128 DeVry statistics students found that 83% read the announcements each week. What is the population and what is the sample? Population: all statistics students; Sample: 128 DeVry statistics students Population: all statistics students reading announcements weekly; Sample: the 128 DeVry statistics students Population: DeVry statistics students: Sample: 128 DeVry statistics students Population: DeVry statistics students; Sample: the 83% that read the announcements weekly
In a survey of 35 adult Americans, it was found that the mean age (in years) that people would like to live to is 87.9 with a standard deviation of 15.5. a crtic of the survey company thought that the...
In a survey of 35 adult Americans, it was found that the mean age (in years) that people would like to live to is 87.9 with a standard deviation of 15.5. a crtic of the survey company thought that the mean age would have been lower.. at 83 years. the company used the sample data to create a 95% confidence interval and found that interval to be ( 82.58, 93.22) could the crtitics age of 83 be a plausible mean...
A survey was sent out to re-evalute the proportion of people who play games on pc...
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you want to conduct a survey to estimate the number of people who are concerned with...
you want to conduct a survey to estimate the number of people who are concerned with Civil Rights and Diversity. How many randomly selected people must you survey? Assume that you want to be 99% confident that the sample percentage is within 4.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of people who are concerned with Civil Rights and Diversity. n= (Round up to the...
In a survey of 1000 eligible voters selected at rando found that 80% of those who had a college d...
In a survey of 1000 eligible voters selected at rando found that 80% of those who had a college degree voted in the last presidential election, whereas 55% of who did not have a college degree voted in the last presidential election. m, it was found that 80 had a college degree. Additionally, it was 2. the people Draw a tree diagram to represent this scenario. a. b. Assuming that the poll is representative of all eligible voters, find the...
pt 1 Information A survey of people who own smartphones found that 35% of people check their phones at least once an hour. These people are called "constant checkers. Suppose you were to draw a random sample of 10 smartphone owners Question 1 (1 point) The number of constant checkers in the sample has a binomial distribution. What are n and p?
2. (11 pt) A survey found that 16% of U.S. consumers used the Internet to buy gifts during the 1999 holiday season. Assume that this percentage was based on a sample of 1285 people. (Make sure to show all work.) a. Using 99% confidence, what is the margin of error associated with the estimated proportion of people who bought gifts using the Internet? bought gifts using the Internet? error is 1%? b. What is the 99%confidence interval for the population...
A recent survey found that 74% of households had Internet access and 70% of households had cable television. Also, it was reported that 69% of the households in the survey had both Internet and cable television. Determine the probability of selecting a household that had either Internet access or cable television P(Internet or cable)- Type an integer or a decimal) (u) More A company that bakes chocolate chip cookies averages 52 chocolate chips per cookie. Assume that the number of...
In a survey of 1000 eligible voters selected at rando found that 80% of those who had a college degree voted in the last presidential election, whereas 55% of who did not have a college degree voted in the last presidential election. m, it was found that 80 had a college degree. Additionally, it was 2. the people Draw a tree diagram to represent this scenario. a. b. Assuming that the poll is representative of all eligible voters, find the...
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