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Help please.. (b) Find the critical value(s). Round the answer to two decimal places. If there is more than one critical value, separate them with

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Help please..

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(b) Find the critical value(s). Round the answer to two decimal places. If there is more than one critical value, separate them with commas. Critical value(s): D (c) Compute the test value. Always round 2 score values to at least two decimal places. Part 4 of 5 (d) Make the decision. (Choose one) V the null hypothesis. X\fAutomobiles Purchased An automobile owner found that 20 years ago, 73% of Americans said that they would prefer to purchase an American automobile. He believes that the number is much less than 73% today. He selected a random sample of 45 Americans and found that 30 said that they would prefer an American automobile. Can it be concluded that the percentage today is less than 73%? At a = 0.05, is he correct? Use the critical value method with tables. Part: 0 / 5 Part 1 of 5 (a) State the hypotheses and identify the claim. Ho (Choose one) 0=0 00 H1 : (Choose one) 0*0 030 020 This hypothesis test is a (Choose one) V test. P X

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