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Ten years ago 53% of American families owned stocks or stock funds. Suppose we want to test the appropriate hypothesis such that rejection of H0
Ten years ago 53% of American families owned stocks or stock funds. Suppose we want to test the appropriate hypothesis such that rejection of H0 will support the conclusion that a smaller proportion of American families own stocks or stock funds this year than 10 years ago. Suppose the Investment Company Institute sampled 280 American families in the current year and found that 138 owned stock or stock funds. What is the p value that can be used
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