7) A random sample of 40 men were asked how if they enjoyed watching sports more...
7) A random sample of 40 men were asked how if they enjoyed watching sports more than movies and 64% percent reported that they did. What is the 95% confidence interval of the true proportion of men who enjoy watching sports more than movies?
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7) A random sample of 40 men were asked how if they enjoyed
watching sports more...
anyone hlep me with this four problme please!!! 6) A random sample of high school girls...
anyone hlep me with this four problme please!!!
6) A random sample of high school girls were asked how many hours per week they use social media. The sample mean of the 25 girls was 9 with standard deviation 2.7. What is the 90% confidence interval for the true mean for the hours per week high school girls use social media? Assume the population is normally distributed. 7) A random sample of 40 men were asked how if they enjoyed...
(A) Mrs. Smith took a random sample of students after winter break and asked if they...
(A) Mrs. Smith took a random sample of students after winter break and asked if they enjoyed their break. She found that 70% of the 40 students she asked said yes. Estimate and interpret a 90% confidence interval for the proportion of all students who enjoyed their break. (B) How large of a sample will allow Mrs. Smith to get a margin of error of 2.5% at a 95% confidence level? Remember to SHOW your work with the numbers plugged...
(A) Mrs. Smith took a random sample of students after winter break and asked if they...
(A) Mrs. Smith took a random sample of students after winter break and asked if they enjoyed their break. She found that 70% of the 40 students she asked said yes. Estimate and interpret a 90% confidence interval for the proportion of all students who enjoyed their break. (B) How large of a sample will allow Mrs. Smith to get a margin of error of 2.5% at a 95% confidence level? Remember to SHOW your work with the numbers plugged...
After this year's Iowa caucuses, a random sample of 80 voters were asked if they support...
After this year's Iowa caucuses, a random sample of 80 voters were asked if they support changing the ordering in which states hold their presidential primary contests. Based on this sample, a 95% confidence interval for theproportion of voters who are in favor of changing the ordering was (0.54, 0.72). 1) Which of the following is true? A. 95% of the sampled voters are in favor of changing the ordering. B. the margin of error for the confidence interval is...
a simple random sample of 511 adults were asked if they agreed medical A simple random...
a simple random sample of 511 adults were asked if they agreed
medical
A simple random sample of 511 adults were asked if they agreed medical marijuana should be legally available. Based on the 511 responses, 64% of respondents voted yes. a) Identify the population b) Identify the sample c) is the sample representative of the population? If no, what sampling method would best represent the population? d) 64% of respondents voted yes, find the probability of randomly selecting 10...
0.02 When 582 subjects were asked, "Do you believe in heaven?" the proportion whe answered yes...
0.02 When 582 subjects were asked, "Do you believe in heaven?" the proportion whe answered yes was 0.72. The standard deviation of this point estimate a. Find and interpret the margin of error for a 95% confidence interval for the population proportion of people who believe in heaven b. Construct the 95% confidence interval Interpret in context a. Find the margin of error for a 95% confidence interval for the population proportion of people who believe in heave (Round to...
This Test: 100 pts possi A random sample of 10 students were surveyed on their social...
This Test: 100 pts possi A random sample of 10 students were surveyed on their social activities. The students were asked to be how many times during the previous year they had gone to a movie, sporting event of party, FR Survey Results Click the icon to view the survey results Click the icon to view the dot plot for these data Cack the icon to view the technology output for these data Frequency of Attending Movies Sports Events, and...
Part 1 of 1 - Question 4 of 21 5 Points A random sample of 100...
Part 1 of 1 - Question 4 of 21 5 Points A random sample of 100 students at Boston University was asked their opinion on how good the food is in the school cafeterias. 40 of the students liked the food, and 60 did not. Find a 95% confidence interval for the true proportion of students who like the food?
A random sample of students were asked whether they were satisfied with their school's lunch menu....
A random sample of students were asked whether they were satisfied with their school's lunch menu. The resulting confidence interval for the proportion of students who are satisfied is (0.33,0.51). What is the margin of error?
(5) A random sample of n-1483 adults in the US were asked whether they consider a...
(5) A random sample of n-1483 adults in the US were asked whether they consider a car a necessity or a luxury, and we find that a 95% confidence interval for the proportion saying that is is a necessity is 0.83 to 0.89. Explain the meaning of this confidence interval in the appropriate context
anyone hlep me with this four problme please!!!
6) A random sample of high school girls were asked how many hours per week they use social media. The sample mean of the 25 girls was 9 with standard deviation 2.7. What is the 90% confidence interval for the true mean for the hours per week high school girls use social media? Assume the population is normally distributed. 7) A random sample of 40 men were asked how if they enjoyed...
a simple random sample of 511 adults were asked if they agreed
medical
A simple random sample of 511 adults were asked if they agreed medical marijuana should be legally available. Based on the 511 responses, 64% of respondents voted yes. a) Identify the population b) Identify the sample c) is the sample representative of the population? If no, what sampling method would best represent the population? d) 64% of respondents voted yes, find the probability of randomly selecting 10...
0.02 When 582 subjects were asked, "Do you believe in heaven?" the proportion whe answered yes was 0.72. The standard deviation of this point estimate a. Find and interpret the margin of error for a 95% confidence interval for the population proportion of people who believe in heaven b. Construct the 95% confidence interval Interpret in context a. Find the margin of error for a 95% confidence interval for the population proportion of people who believe in heave (Round to...
This Test: 100 pts possi A random sample of 10 students were surveyed on their social activities. The students were asked to be how many times during the previous year they had gone to a movie, sporting event of party, FR Survey Results Click the icon to view the survey results Click the icon to view the dot plot for these data Cack the icon to view the technology output for these data Frequency of Attending Movies Sports Events, and...
Part 1 of 1 - Question 4 of 21 5 Points A random sample of 100 students at Boston University was asked their opinion on how good the food is in the school cafeterias. 40 of the students liked the food, and 60 did not. Find a 95% confidence interval for the true proportion of students who like the food?
(5) A random sample of n-1483 adults in the US were asked whether they consider a car a necessity or a luxury, and we find that a 95% confidence interval for the proportion saying that is is a necessity is 0.83 to 0.89. Explain the meaning of this confidence interval in the appropriate context
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