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##### Math 1342 Test 2 Problems 2014

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solution

**Question**

Question;1. You are going to pick 1 card from a deck of regular playing cards. Find the probability of getting a Red Card or a Queen2. You are going to pick 1 card from a deck of regular playing cards. Find the probability of getting a Club or Black Card.3. You are going to pick 2 cards from a deck of regular playing cards and you do not replace the card after the first pick. Find the probability of getting a Heart on the first pick and a Red Card on the second pick.4. You are going to pick 2 cards from a deck of regular playing cards and you do not replace the card after the first pick. Find the probability of getting a 5 on the first pick and a 10 on the second pick.5. A Game is to be played where there is a box with 3 - $100 bill, 5- $20 bills, 2- $5.00 bills and 10 - Blank Bills.You reach into the box and pick a bill. What is the probability of not getting a blank bill?6. Assume there are 2 jars with different color balls in them. Jar 1 has 5 red and 5 blue, Jar 2 has 9 red and 1 blue. If you close our eyes and pick a ball at random find the probability of picking a blue ball.Use the following Table for Mail DeliveryDelivered toFirst ClassAdsMagazineHome100400300Business70010002007. Find the probability that the mailed item was First Class or it went to a home.8. Find the probability that the mailed item was an Ad.9. Find the probability that the mailed item went to a home given that it was a magazine.10. At a local clinic there are 10 men, 8 women. If 3 patients are selected at random find the probability that at least one of the patients is a woman.Assume there is a 4 person family and you are looking at the gender of the children. Let the random variable X stand for number of females in the 4 children in the sample.11. List the Discrete Random Variable Distribution in table format for this situation. Find the mean, variance and standard deviation for this distribution.12. A raffle is to be held on a TV that is valued at $3000. A ticket costs $7.00 and 2000 tickets are sold. Find the expected value, E(X) for this situation.13. A person randomly guesses on a 10 problem True or False test. Find the probability of getting exactly 7 questions correct. Use Statcrunch to solve this and paste in your graph and solution.14. Using the previous problem find the probability of getting less than 8 questions correct. Use Statcrunch to solve this and paste in your graph and solution.15. A person takes a 7 problem test where each question has options a, b, c, and d. Find the probability of getting 5 or more questions correct. Use Statcrunch to solve this and paste in your graph and solution.

Paper#60762 | Written in 18-Jul-2015

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