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38) A bag contains 10 white, 12 blue, 13 red, 7 yellow, and 8 green wooded balls. A ball is selected 38) from the bag,

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38) A bag contains 10 white, 12 blue, 13 red, 7 yellow, and 8 green wooded balls. A ball is selected 38) from the bag, its color noted, then replaced. You then draw a second ball, note its color and then replace the ball. What is the probability of selecting one white ball and one blue ball? Round to the nearest ten-thousandth. A) 0.0480 B) 0.0088 C) 0.2200 D) 0.4400 39) A game has three outcomes. The probability of a win is 0.4, the probability of tie is 0.5, and the 39) probability of a loss is 0.1. What is the probability of not winning in a single play of the game. A) 0.1 B) 0.6 C) 0.33 D) 0.5 Provide an appropriate response. Express your answer as a simplified fraction unless otherwise noted. 40) Consider a political discussion group consisting of 4 Democrats, 6 Republicans, and 5 40) Independents. Suppose that two group members are randomly selected, in succession, to attend a political convention. Find the probability of selecting an Independent and then a Democrat. A ) 7 B) 42 C) 45 D) 105 Provide an appropriate response. Round the test statistic to the nearest thousandth. 41) Compute the standardized test statistic, x2, to test the claim o2 116). A) 0.2420 B) 0.7881 C) 0.2119 D) 0.1977 Test the indicated hypothesis. Assume that the populations are normally distributed. 43) Test the hypothesis that o1 > 02 at the a = 0.01 level of significance for the given sample data. 43) Population 1 Population 2 n 61 31 S 34.1 25.5 A) Test statistic: F = 45.6. Critical value = 2.03. Reject Ho. B) Test statistic: F = 1.34. Critical value = 2.21. Do not reject Ho. C) Test statistic: F = 1.79. Critical value = 2.03. Reject Ho. D) Test statistic: F = 1.79. Critical value = 2.21. Do not reject Ho. Find the indicated z-score. 44) Find the z-scores for which 98% of the distribution's area lies between -z and z. 44) A) (-2.33, 2.33) B) (-1.645, 1.645) C) (-0.99, 0.99) D) (-1.96, 1.96) Determine the area under the standard normal curve that lies between: 45) z = 1 and z =2 45) A) 0.8641 B) 0.0008 C) 0.0006 D) 0.1359 6

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