Mathematics, 06.08.2021 15:50 heyyyyy39
A consumer group wishes to estimate the proportion of adult Twitter users that get at least some news on Twitter. A poll is conducted and it is found that from a SRS of 1251 adult Twitter users, 641 of them get at least some news on Twitter. You will be finding a 90% confidence interval for the fraction of adult Twitter users who get some news on Twitter.
Required:
a. Check that the normality assumptions are met?
b. What is the 90% confidence interval for the proportion of adult Twitter users that get at least some news on Twitter. Round to 4 decimal places.
c. Interpret the confidence interval obtained.
Answers: 1
Mathematics, 21.06.2019 16:00
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Mathematics, 21.06.2019 20:00
The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?
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Mathematics, 21.06.2019 22:40
Adeli owner keeps track of the to-go orders each day. the results from last saturday are shown in the given two-way frequency table. saturday's to-go deli orders in person by phone online total pick up 38 25 31 94 delivery 35 28 34 97 total 73 53 65 191 what percent of the to-go orders were delivery orders placed by phone? a. 14.66% b. 38.41% c. 28.87% d. 52.83%
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A consumer group wishes to estimate the proportion of adult Twitter users that get at least some new...
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