Step 9 is not sufficient evidence to conclude that the population proportion is less than...
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Step 9 is not sufficient evidence to conclude that the population proportion is less than 0 85 p 0 85 c p 0 80 Recall the previously determined values po 0 85 and n 160 Now we are to find the test statistic for a new sample proportion p 0 80 Use these values to find the test statistic rounding the result to two decimal places Z P Po Po 1 PO n 0 80 0 85 0 85 10 85 160 Enter a number Submit Skip you cannot come back
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