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Smart phone: Among 249 cell phone owners aged 18-24 surveyed, 108 said their phone was an...
stion 14 of 18 (1 point) Attempt 1 of Unlimited View question in a popun iart...
stion 14 of 18 (1 point) Attempt 1 of Unlimited View question in a popun iart phone: Among 249 cell phone owners aged 18-24 surveyed, 108 said their phone was an Android phone. rform the following. Part 1 of 3 (a) Find a point estimate for the proportion of cell phone owners aged 18-24 who have an Android phone. Round the answer to at least three decimal places. The point estimate for the proportion of cell phone owners aged 18...
Among 246 cell phone owners age 18 to 24 surveyed 105 said their phone was an...
Among 246 cell phone owners age 18 to 24 surveyed 105 said their
phone was an android phone.
Assume that an advertisement playing at 33% of cell phone
owners aged 18 to 24 have an android phone does the confidence
interval contradict this claim?
The confidence interval (does/does not) contradict the claim,
because 0.33 (is,is not) contained in the confidence
interval.
LEOUIZFdohuwEZEC efavorites here, select then , and drag to the Favorites Bar folder. Or import from another browser. Import...
Use the given data to construct a 90% confidence interval for the population proportion p. x=50,...
Use the given data to construct a 90% confidence interval for the population proportion p. x=50, n= 70 Round the answer to at least three decimal places. The confidence interval is ne crise mora = (ID. Exo Smart phone: Among 246 cell phone owners aged 18-24 surveyed, 105 said their phone was an Android phone. Part: 0/3 Part 1 of 3 (a) Find a point estimate for the proportion of cell phone owners aged 18-24 who have an Android phone....
MATH Hosted by ALEKS Corp 8.3 Homework Previous 2 3 4 5 6 7 8 9...
MATH Hosted by ALEKS Corp 8.3 Homework Previous 2 3 4 5 6 7 8 9 10 Next Question 2 of 10 (1 point) View problem in a pop-up 8.3 Section Exercise 19 (calc) Smart phone: Among 248 cell phone owners aged 18-24 surveyed, 104 said their phone was an Android phone. Chec S Guide Part 1 Find a point estimate for the proportion of cell phone owners aged 18-24 who have an Android phone. Round the answer to three...
Part 1 Find a point estimate for the preporties of eell pheae omers aged 18-24 wbe...
Part 1 Find a point estimate for the preporties of eell pheae omers aged 18-24 wbe have an Andreid phese. Reead the answer to three declimal places The point estimate for the phone is0, 335 propertien of cell phose owers aged 19-34 bo have an Android Part 2 Construct a 99.9% confidence interval for the propertiea of eell pho" "am agd isla wb. have an Andreid phone. Round the swiwer to three decimal places A 99.9% conSlesee interval for the...
Previous Problem Problem List Next Problem (1 point) In 2012, the percentage of cell phone owners...
Previous Problem Problem List Next Problem (1 point) In 2012, the percentage of cell phone owners who used their cell phone to send or receive text messages was 80 %. A polling firm contacted a simple random sample of 1300 people chosen from the population of cell phone owners. If p is the proportion of cell phone owners the mean for p who used their phone to text, then what was 0.011 Submit Answers Preview My Answers You have attempted...
A survey of 2317 adults in a certain large country aged 18 and older conducted by...
A survey of 2317 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 413 have donated blood in the past two years. Complete parts (a) through (b) below. (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. (Round to three decimal places as needed.) (b) Construct and interpret a 90% confidence interval for...
a survey of 2313 adults in a certain large country aged 18 and older conducted by...
a survey of 2313 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 414 have donated in the past two years. Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. (round to three decimal places if needed)
An article summarized results from a national survey of 2,402 Americans age 8 to 18. The...
An article summarized results from a national survey of 2,402 Americans age 8 to 18. The sample was selected to be representative of Americans in this age group. (Use a table or technology.) (a) of those surveyed, 1,125 reported owning a cell phone. Use this information to construct a 90% confidence interval estimate of the proportion of all Americans age 8 to 18 who own a cell phone. (Round your answers to three decimal places.) Interpret the interval. We are...
A survey of 2311 adults in a certain large country aged 18 and older conducted by a reputable pol...
A survey of 2311 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 407 have donated blood in the past two years. Complete parts (a) through (c) below. page 1 (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. P 6.678 Round to three decimal places as needed.) (b) Verify that the requirements...
stion 14 of 18 (1 point) Attempt 1 of Unlimited View question in a popun iart phone: Among 249 cell phone owners aged 18-24 surveyed, 108 said their phone was an Android phone. rform the following. Part 1 of 3 (a) Find a point estimate for the proportion of cell phone owners aged 18-24 who have an Android phone. Round the answer to at least three decimal places. The point estimate for the proportion of cell phone owners aged 18...
Among 246 cell phone owners age 18 to 24 surveyed 105 said their
phone was an android phone.
Assume that an advertisement playing at 33% of cell phone
owners aged 18 to 24 have an android phone does the confidence
interval contradict this claim?
The confidence interval (does/does not) contradict the claim,
because 0.33 (is,is not) contained in the confidence
interval.
LEOUIZFdohuwEZEC efavorites here, select then , and drag to the Favorites Bar folder. Or import from another browser. Import...
Use the given data to construct a 90% confidence interval for the population proportion p. x=50, n= 70 Round the answer to at least three decimal places. The confidence interval is ne crise mora = (ID. Exo Smart phone: Among 246 cell phone owners aged 18-24 surveyed, 105 said their phone was an Android phone. Part: 0/3 Part 1 of 3 (a) Find a point estimate for the proportion of cell phone owners aged 18-24 who have an Android phone....
MATH Hosted by ALEKS Corp 8.3 Homework Previous 2 3 4 5 6 7 8 9 10 Next Question 2 of 10 (1 point) View problem in a pop-up 8.3 Section Exercise 19 (calc) Smart phone: Among 248 cell phone owners aged 18-24 surveyed, 104 said their phone was an Android phone. Chec S Guide Part 1 Find a point estimate for the proportion of cell phone owners aged 18-24 who have an Android phone. Round the answer to three...
Part 1 Find a point estimate for the preporties of eell pheae omers aged 18-24 wbe have an Andreid phese. Reead the answer to three declimal places The point estimate for the phone is0, 335 propertien of cell phose owers aged 19-34 bo have an Android Part 2 Construct a 99.9% confidence interval for the propertiea of eell pho" "am agd isla wb. have an Andreid phone. Round the swiwer to three decimal places A 99.9% conSlesee interval for the...
Previous Problem Problem List Next Problem (1 point) In 2012, the percentage of cell phone owners who used their cell phone to send or receive text messages was 80 %. A polling firm contacted a simple random sample of 1300 people chosen from the population of cell phone owners. If p is the proportion of cell phone owners the mean for p who used their phone to text, then what was 0.011 Submit Answers Preview My Answers You have attempted...
A survey of 2317 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 413 have donated blood in the past two years. Complete parts (a) through (b) below. (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. (Round to three decimal places as needed.) (b) Construct and interpret a 90% confidence interval for...
An article summarized results from a national survey of 2,402 Americans age 8 to 18. The sample was selected to be representative of Americans in this age group. (Use a table or technology.) (a) of those surveyed, 1,125 reported owning a cell phone. Use this information to construct a 90% confidence interval estimate of the proportion of all Americans age 8 to 18 who own a cell phone. (Round your answers to three decimal places.) Interpret the interval. We are...
A survey of 2311 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 407 have donated blood in the past two years. Complete parts (a) through (c) below. page 1 (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. P 6.678 Round to three decimal places as needed.) (b) Verify that the requirements...
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