An online bookseller is considering selling an e-reader but will only do so if they have...
An online bookseller is considering selling an e-reader but will only do so if they have evidence that the proportion of customers that will likely purchase one is at least 0.4. Based on a survey of 25 customers, it was found that 13 of them stated that they would likely purchase an e-reader. Conduct the appropriate hypothesis test to determine if the proportion of customers likely to purchase is greater than 0.4.
Round your final answer to four decimal places. 0.0000
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An online bookseller is considering selling an e-reader but will
only do so if they have...
A survey of 1,680 randomly selected adults showed that 549 of them have heard of a...
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An online clothing retailer knows that historically 20% of potential customers that visit its website actually...
An online clothing retailer knows that historically 20% of potential customers that visit its website actually buy something. To see if they can increase the proportion of visitors who buy something, they randomly select 1000 visitors to the website and offer them free shipping if they make a purchase. Of the 1000 visitors who receive this offer, 230 actually buy something. The company wants to test to see if offering free shipping to all customers would increase the proportion who...
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please only answer question 4, also show work (9 points) A 20-minute consumer survey mailed to...
please only answer question 4, also show work
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A survey of 1,680 randomly selected adults showed that 549 of them have heard of a new electronic reader. The accompanying technology display results from a test of the claim that 37% of adults have heard of the new electronic reader. Use the normal distribution as an approximation to the binomial distribution, and assume a 0.01 significance level to complete parts a through e Sample proportion: 0.326786 Test statistic Critical z: P-Value z:-3.6687 ± 2.5758 0.0002 a. Is the test...
Use the following scenario for problems 2 and 3: An online clothing retailer knows that historically 20% of potential customers that visit its website actually buy something. To see if they can increase the proportion of visitors who buy something, they randomly select 1000 visitors to the website and offer them free shipping if they make a purchase. Of the 1000 visitors who receive this offer, 230 actually buy something. The company wants to test to see if offering free...
An online clothing retailer knows that historically 20% of potential customers that visit its website actually buy something To see if they can increase the proportion of visitors who buy something, they randomly select 1000 visitors to the website and offer them free shipping if they make a purchase. Of the 1000 visitors who receive this offer, 230 actually buy something. The company wants to test to see if offering free shipping to all customers would increase the proportion who...
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please only answer question 4, also show work
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