Q2. & Q12 PLEASE ㅠㅠ

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Q2. & Q12 PLEASE ㅠㅠ

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Use the following for the next two questions. Customers are used to evaluate preliminary product designs. Whether or not a product gets a good review is influenced by whether a product is considered a "highly successful" product, "moderately successful product or "unsuccessful" product. The following tree diagram depicts this scenario: Good Review = Poor Review = 0.03 Highly Successful = 0.25 Good Review = 0.6 Mod. Successful = 0.37 Poor Review = 0.4 Unsuccessful = Good Review = 0.13 Poor Review * 0.87 In the past, 3% of Highly Successful products, 40% of moderately successful products and 87% of unsuccessful products received poor reviews. Of all products, 25% are highly successful and 37% are moderately successful. Q. Among all products what is the chance a product is "Unsuccessful"? P(Unsuccessful) = [ Select ] Q. Given a product is highly successful, what is the chance they receives a good review? P(Good Review | highly successful) = [Select ] TALK cBook Air

WOU K DO » x s N a OSU OSU G DMDN + canvas.oregonstate.edu/courses/1867972/quizzes... ☺ ☆ 口 Hypotheses are statements about statistics, not parameters. The research question should not be about the population mean u, but should be about the sample mean,Ē. Hypotheses are statements about parameters, not statistics. The research question should not be about the sample mean 7, but should be about the population mean, p. 4 pts Question 12 The significance level is O the same as the Type II error. O the cut-off for whether or not we will reject the null hypothesis based on the p-value. the product of the standard error and the critical value. O what makes up the width of a confidence interval. Question 13 4 pts Suppose a z test with the following null and alternative hypotheses resulted in a z stat of -2.07. Ho :μ = 50 H, :μ < 50 Which of the following plots represents the p-value for the test? TALK w L ROAir

F Outliers Question 2 Which of the following statements is TRUE? Standard deviation is best used when the data has outliers or is highly skewed. O Standard deviation is equal to variance. O Standard deviation is a measurement for the center. Standard deviation highly influenced by outliers. Question 3 Use the following for the next two questions. Customers are used to evaluate preliminary product designs. Whethet or not a product gets a review is influenced by whether a product is considered a "highly successful" product, "modera successful" product or "unsuccessful" product. The following tree diagram depicts this scenario A TALK W