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Safari ?? ?? ?? ?? ?? ??? ??? ??? Pq 10? 24? (?) 10:51 apclassroom.collegeboard.org N. Try Ace Al STE... Unit 3 Progress Check: MCQ Part B 1 Mark for Review A company famous for its nacho-flavored corn chips has developed two new formulas, A and B , which they hope their customers will like even more than the original formula. To determine whether customers prefer one of the new formulas over the current nacho flavoring, a sample of 50 customers is obtained. Each customer tastes both formula A and formula B in a randomly assigned order and indicates which one they prefer more. Which of the following best describes this study? (A) This study is not well designed because there is no replication. Each customer tasted the formulas only once. B This study is not well designed because formulas A and B are not compared with the original formula. C. This study is not well designed because the sample may not have been randomly selected. D This study is not well designed because each customer should taste the two new formulas in the same order. (E) This study is not well designed because there is not enough replication with only 50 customers. Question 1 of 12 Next

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A financial adviser, who works for an online trading platform, is interested in testing the claim that more than $ 48 \% $ of investors have dividend interest earning stocks. To test this claim, the financial adviser collects the following data on a sample of 370 investors and 193 of them have dividend interest earning stocks. The following is the data from this study: - Sample size $ =370 $ investors - The alternative hypothesis is $ H_{a}: p>0.48 $ - The test statistic is calculated as $ z_{0}=1.60 $. Find and interpret the $ p $ - value for this hypothesis test. Use the curve below to help visualize your answer. Select the appropriate test by dragging the blue point to a right-, left- or two-tailed diagram, then set the test statistic on the $ x $-axis to find the $ p $-value. Based on the p-value, choose the correct interpretation.

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Which of the following IQ scores indicates average intelligence? Oa. 125 Ob. 70 Oc. 130 Od. 100

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which of the following best describes the function of the RecA protein in e.coli

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Annual starting salaries for college graduates with degrees in business administration are generally expected to be between $45,000 and $60,000. Assume that a 95% confidence interval estimate of the population mean annual starting salary is desired. a. What is the planning value for the population standard deviation? 3750 b. How large a sample should be taken if the desired margin of error is $500? Round your answers to next whole number. $200? $100? c. Would you recommend trying to obtain the $100 margin of error? Explain. No, the sample size would probably be too time consuming and costly.

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Statement 1: In a perfectly competitive market, the market supply curve reflects the sum of the marginal cost (MC) curves of firms in that industry. Statement 2: In a perfectly competitive market, the market demand curve is downward sloping, but the individual firm’s demand curve is horizontal at the market price, Pₑ. Statement (1) is true; statement (2) is false.

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\lim_{w \to 3} \frac{w^3 - 3^3}{w - 3}

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How did Socrates respond to the charge that he was corrupting the youth? Choose the best responses. 1. If Socrates corrupted the youth, it was by accident, and bringing him to court was not appropriate. 2. Saying that everyone but Socrates improves the youth does not make sense. 3. Socrates is a stranger to Athens, and as such did not teach any youth to begin with. 4. Socrates surely believes in the gods, because he believes in spirits, so surely he cannot be religiously corrupting the youth.

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Fill in the blank with the correct inequality symbol. If x greater than or equals minus 6 comma then 5 x ___ negative 30.

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A small company manufactures a certain product. Variable costs are $20 per unit and fixed costs are $10,875. The price–demand relationship for this product is P = −0.25D + 250, where P is the unit sales price of the product and D is the annual demand. Use the data (and helpful hints) that follow to work out answers to parts (a)–(e).

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sara g.