A business owner recently sent out a survey to determine if the percentage of thier customers who use Amazon, instead of their website, to make orders has changed from 57%, which was the percentage of customers who use Amazon to make orders two years ago. Of the 236 randomly selected people who responded to the survey, 164 stated that they currently use Amazon to make orders. a) Use the data from this survey to construct a 96% confidence interval to estimate the proportion of customers who use Amazon to make orders. Record the result below in the form of (#,#). Round your answer to three decimal places. Can you conclude that the percentage of customers who use Amazon to make orders has changed? Explain. If it has changed, has it increased or decreased?
A business owner recently sent out a survey to determine if the percentage of thier customers who use Amazon, instead of their website, to make orders has changed from 57%, which was the percentage of customers who use Amazon to make orders two years ago. Of the 236 randomly selected people who responded to the survey, 164 stated that they currently use Amazon to make orders.
a) Use the data from this survey to construct a 96% confidence
Can you conclude that the percentage of customers who use Amazon to make orders has changed? Explain.
If it has changed, has it increased or decreased?
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