At the beginning of the school year, each student's height was measured Ryans's height was measured 48.2 inches his friend Sara
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X - <span>the cost of cell phone service before tax is added
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Answer:
The sample proportion of printers used in small business is:
The 95% confidence interval for the population proportion of printers that are used in small businesses is:
Where:
is the critical value at 0.05 significance level
Therefore, the 95% confidence interval for the population proportion of printers that are used in small businesses is (0.245 , 0.469)