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Christine Farr

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A probability is a number p such that:A. 0 < p < 1B. 0 ≤ p ≤ 1C. -1 < p < 1D. -1 ≤ p ≤ 1E. None of the above02. The Complement rule states that the probability of an event not occurring isA. equal to one minus the probability it will occur.B. equal to one minus the probability it will not occur.C. equal to 0.0D. equal to 1.0E. None of the above03. A tire manufacturer claims that the probability of its XLT tire lasting 50,000 miles ormore is 0.80. If three XLT tires are installed on a car what is the probability that all threewill last 50,000 miles or more?A. 0.800.B. 0.640.C. 0.240.D. 0.512.E. None of the above04. In how many different ways can a work party of 4 be chosen from 9 volunteers?A. 4B. 36C. 126D. 3024E. None of the above05. Which of the following is/are properties of the Binomial Distribution?A. The number of trials is fixed in advance.B. The trials are independent.C. Each trial has exactly two outcomes.D. The probability of success is the same for each trial.E. All of the above.06. A fair coin is tossed 6 times. What is the probability of getting exactly 3 heads in the6 tosses?A. 0.2B. 0.3C. 0.4D. 0.5E. None of the above07. The mean of a probability distribution is referred to as theA. medianB. modeC. expected valueD. weighted meanE. none of the above08. The number of armed robberies and their probabilities, in a particular cityin a month, are given in the table below:Number ofProbabilityarmed robberies10.0520.3030.4040.25

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