test2practice_sp09

# test2practice_sp09 - Preview Assessment Practice Test 2...

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Preview Assessment Practice Test 2 http://cp01.coursecompass.com/webapps/assessment/take/launch.jsp?. .. 1 of 2 2/11/2009 6:36 PM COURSES > MATH 1711, SPRING 2009 > CONTROL PANEL > ASSIGNMENTS > PREVIEW ASSESSMENT PRACTICE TEST 2 Preview Assessment Practice Test 2 Name: Practice Test 2 Instructions: Multiple Attempts: This Test allows multiple attempts. Force Completion: This Test can be saved and resumed later. Question 1 Fill in the Blank 15 points A fair coin is tossed four times. Find the probability that at least 2 heads appear if it is known that the first toss was a head. Write your answer as a decimal. Question 2 Fill in the Blank 14 points The enrollment in a particular mathematics course consists of 20% freshmen, 30% sophomores, 40% juniors, and 10% seniors. The likelihood of earning a grade of "A" in the course is 0.2 for freshmen, 0.4 for sophomores, 0.6 for juniors, and 0.3 for seniors. A student is selected at random from this class. If it is known that the student made an "A", find the probability that the student is a freshman. Round your

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test2practice_sp09 - Preview Assessment Practice Test 2...

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