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Mid1_SP06

# Mid1_SP06 - Statistics 427 Spring 2006 Midterm 1(Rumsey...

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Statistics 427 Spring 2006 Name____________________________ Midterm 1 (Rumsey, Goel) Show all your work for credit and justify your answers. Each problem is worth 5 pts for a total of 100 points possible. For problems 1-5 use the following information. SET UP THE PROBABILITIES ONLY, DO NOT SOLVE. An employer has 30 people working on 3 shifts: 1st shift, 2nd shift, and 3rd shift. She has 8 employees on 1st shift, 10 on second shift, and 12 on third shift. 1. She decides to randomly select 3 employees of this company to be the president, vice president, and treasurer of her new special events committee. How many ways are there to do this? 2. Suppose 6 employees are to be randomly selected to win prizes at their company picnic. How many ways are there to do this? 3. Suppose 6 employees are to be randomly selected to win prizes at their company picnic. How many ways are there to randomly choose 6 employees to win prizes, making sure that exactly 2 prizes are given to members of each shift?

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Mid1_SP06 - Statistics 427 Spring 2006 Midterm 1(Rumsey...

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