1. t's believed that as many as 21% of adults over 50 never graduated from high...
1. t's believed that as many as 21% of adults over 50 never graduated from high school. We wish to see if this percentage is the same among the 25 to 30 age group.
a) Suppose we want to cut the margin of error to 4%.What is the necessary sample size?
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1. t's believed that as many as 21% of adults over 50 never
graduated from high...
It's believed that as many as 22% of adults over 50 never graduated from high school....
It's believed that as many as 22% of adults over 50 never graduated from high school. We wish to see if this percentage is the same among the 25 to 30 age group. Suppose we want to cut the margin of error to 6%.What is the necessary sample size?
It's believed that as many as 22% of adults over 50 never graduated from high school....
It's believed that as many as 22% of adults over 50 never graduated from high school. We wish to see if this percentage is the same among the 25 to 30 age group. a) How many of this younger age group must we survey in order to estimate the proportion of non-grads to within 8% with 90% confidence? n (Round up to the nearest integer.) b) Suppose we want to cut the margin of error to 6%. What is the...
It is believed that as many as 20% of adults over 50 never graduated from high...
It is believed that as many as 20% of adults over 50 never graduated from high school. We wish to see if this percentage is the same among the 25 to 30 age group. What sample size would allow us to increase our confidence level to 95% while reducing the margin of error to only 3%? n= ______ (Round up to the nearest integer.)
It is believed that as many as 25% of adults over 50 never graduated from high...
It is believed that as many as 25% of adults over 50 never graduated from high school. We wish to see if this percentage is the same among the 25 to 30 age group. How many of this younger age group must we survey in order to estimate the proportion of non-grads to within 6% with 90% confidence? Za = 1.645 2 Identify the following specific to the problem: a. What is p? b. What is E (your margin of...
It is believed that as many as 25% of adults over 50 never graduated from high...
It is believed that as many as 25% of adults over 50 never graduated from high school. We wish to see if this percentage is the same among the 25 to 30 age group. How many of this younger age group must we survey in order to estimate the proportion of non-grads to within 6% with 90% confidence? Za = 1.645 2 Identify the following specific to the problem: a. What is p? b. What is 1 - p? c....
It's believed that as many as 22% of adults over 50 never graduated from high school....
It's believed that as many as 22% of adults over 50 never graduated from high school. We wish to see if this percentage is the same among the 25 to 30 age group.a) How many of this younger age group must we survey in order to estimate the proportion of non-grads to within 4% with 90% confidence?
It's believed that as many as 22% of adults over 50 never graduated from high school....
It's believed that as many as 22% of adults over 50 never graduated from high school. We wish to see if this percentage is the same among the 25 to 30 age group. How many of this younger age group must we survey in order to estimate the proportion of non-grads to within 8% with 90% confidence?
statistic
It's believed that as many as 22% of adults over 50 never graduated from high school. We wish to see if this percentage is the same among the 25 to 30 age group. b) Suppose we want to cut the margin of error to 4%. What is the necessary sample size?
10 Yeartage aroup. Use critical policies In a certain region, 17% of people over age 50...
10 Yeartage aroup. Use critical policies In a certain region, 17% of people over age 50 didn't graduate from high school. We would like to know if this percentage is the same among the 25- 30 year age group. Use critical values to exactly 3 decimal places. (a) How many 25-30 year old people should be surveyed in order to estimate the proportion of non-grads to within 9% with 98% confidence? (b) Suppose we wanted to cut the margin of...
In a recent poll of 1 adults current debt during the next three months. A more...
In a recent poll of 1 adults current debt during the next three months. A more detailed poll surveyed 1288 adult groups, 18-29, 30-49, 50-64, and 65+. Complete parts a and b below ) Do you expect the 95% confidence interval for the true proportion of all 18-to 29-year-olds who are wormed to be wider or narrower than the 95% c for the true proportion of all consumers? Explain Choose the correct answer below O A The interval for the...
It's believed that as many as 22% of adults over 50 never graduated from high school. We wish to see if this percentage is the same among the 25 to 30 age group. a) How many of this younger age group must we survey in order to estimate the proportion of non-grads to within 8% with 90% confidence? n (Round up to the nearest integer.) b) Suppose we want to cut the margin of error to 6%. What is the...
It is believed that as many as 25% of adults over 50 never graduated from high school. We wish to see if this percentage is the same among the 25 to 30 age group. How many of this younger age group must we survey in order to estimate the proportion of non-grads to within 6% with 90% confidence? Za = 1.645 2 Identify the following specific to the problem: a. What is p? b. What is E (your margin of...
It is believed that as many as 25% of adults over 50 never graduated from high school. We wish to see if this percentage is the same among the 25 to 30 age group. How many of this younger age group must we survey in order to estimate the proportion of non-grads to within 6% with 90% confidence? Za = 1.645 2 Identify the following specific to the problem: a. What is p? b. What is 1 - p? c....
10 Yeartage aroup. Use critical policies In a certain region, 17% of people over age 50 didn't graduate from high school. We would like to know if this percentage is the same among the 25- 30 year age group. Use critical values to exactly 3 decimal places. (a) How many 25-30 year old people should be surveyed in order to estimate the proportion of non-grads to within 9% with 98% confidence? (b) Suppose we wanted to cut the margin of...
In a recent poll of 1 adults current debt during the next three months. A more detailed poll surveyed 1288 adult groups, 18-29, 30-49, 50-64, and 65+. Complete parts a and b below ) Do you expect the 95% confidence interval for the true proportion of all 18-to 29-year-olds who are wormed to be wider or narrower than the 95% c for the true proportion of all consumers? Explain Choose the correct answer below O A The interval for the...
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