3).It is claimed that ten years ago 53% of American families owned stocks or stock funds.Sample data collected by the Investment Company Institute indicate that the percentage is now 46%.Using a 94% level of confidence, is there evidence to show the proportion of American families that currently own stock or stock funds is different from 53%?Compute the p-value and interpret its meaning. 4).According to the University of Nevada Center for Logistics Management, 6% of all merchandise sold in the United States gets returned.A Houston department store sampled 80 items sold in January and found that 12 of the items returned.Is there evidence to show the proportion of returns at the Houston store was more than the national expectation at the .10 level of significance?Compute the p-value and interpret its meaning.
The post 1). Which is cheaper: eating in or dining out? The mean cost of a flank steak, broccoli, and rice bought at the grocery store is $13.04. A sample of 100 neighborhood restaurants showed an average price of $12.75 with a standard deviation of $2 for a appeared first on Homework Aider.
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