Answer_Quiz_4_Form_A0

Answer_Quiz_4_Form_A0 - STAT 250 Spring 2009 Quiz 4 Please...

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STAT 250 Spring 2009 Quiz 4 Please write your name on your scantron form. Mark your answers on this question paper and scantron form. When you have finished the quiz, please put your scantron inside the Quiz and wait until your professor asks you to return it. Multiple Choice. Choose the one alternative that best completes the statement or answers the question. 1. Which of the following cannot be a probability? a. 54/55 c. 6/2 b. 0.0004 d. 1 2. In a survey of 500 randomly selected Engineers from company X, it was determined that 120 did not like egg yolks. What is the probability that a randomly selected Engineer from company X liked egg yolks? a. 0.51 c. 0.76 b. 5/9 d. 0.45 The random variable X represents the number of dogs a family has. Use the probability distribution of X to answer questions 3 - 6: x 0 1 2 3 P(X=x) 0.17 ? 0.23 0.07 3. Find the probability of a family having 1 dog: a. 0.10 c. 0.75 b. 0.53 d. 0.35
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4. What is the probability that a family has 2 or more dogs? a.
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This note was uploaded on 02/14/2011 for the course STAT 250 taught by Professor Sims during the Spring '08 term at George Mason.

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Answer_Quiz_4_Form_A0 - STAT 250 Spring 2009 Quiz 4 Please...

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