Case Module 4

Case Module 4 - The empirical probability that it will land...

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Lynnette k. Bryant BUS 306- Quantitative Reasoning Case- Module 4 Probability Theory 30 August 2011 1. A card is drawn at random from a standard 52-card deck. Find the probability that the card is not a queen. Answer: a queen = (4/52 + 13/52) = 17/52 2. Two fair dice are rolled. Find the probability that the sum of the two numbers is not greater than 5. Answer: Random variable values are 2,3,4 2-combinations: 1,1 3-combinations: 1,2; 2,1 4-combinations: 1,3; 3,1; 2,2 5-combinations: 1,4; 4,1; 2,3; 3,2 There are 36 sum combinations Probability (sum not greater than 5)=10/36=5/18 3. This spinner is spun 36 times. The spinner landed on A 6 times, on B 21 times, and on C 9 times. Compute the empirical probability that the spinner will land on B.
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Answer: The empirical probability that it will land on A is equal to 6/36. The empirical probability that it will land on B is equal to 21/36.
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Unformatted text preview: The empirical probability that it will land on C is equal to 9/36. Actual answer: the empirical probability that it will land on B is equal to 21/36. 4. If a person is randomly selected, find the probability that his or her birthday is not in May. Ignore leap years. Answer: Ignoring leap years, May has 31 days, a year has 365 days. 334 days of the year are NOT in May so the probability of a birthday not being in May 334/365 approximately 91.5% 5. The chart below gives the number of vehicle tags sold in each city. One car is selected at random from the cars with vehicle tags from these cities. What is the probability that this car is from Salem? 1756 (number of tags sold in Salem) 1756/12161= 0.144 12161 (number of tags sold)...
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Case Module 4 - The empirical probability that it will land...

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