Week 5 quiz math221on statistics

Week 5 quiz math221on statistics - Week 5 quiz math221on...

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Week 5 quiz math221on statistics 1. Question: (TCO 4) How many ways can an EMT union committee of 5 be chosen from 25 EMTs? Your Answer: 100 125 15,504 53,130 ( Ch 4: Order does not matter: 25C5 = 53,130 ) CORRECT Points Received: 5 of 5 2. Question: (TCO 4) Which of the following cannot be a probability? Your Answer: 1 85% 0.425 4/3 ( Ch 3: 4/3 = 1.333… cannot be a probability because probabilities are  always between 0 and 1 inclusive ) CORRECT Points Received: 5 of 5 3. Question: (TCO 4) List the sample space for dealing only clubs from a deck of cards. Your Answer: {A, 1, 2, 3, 4, 5, 6, 7, 8, 9, J, Q, K} ( Ch 3 ) {A, 2, 3, 4, 5, 6, 7, 8, 9, 10, J, Q, K} CORRECT {A, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, J, Q, K} { 1, 2, 3, 4, 5, 6, 7, 8, 9, J, Q, K} Points Received: 5 of 5 4. Question: (TCO 4) What is the probability of choosing a queen on the 2 nd  draw if the first was a queen (without  replacement)? Your Answer: 0.077 0.041 0.059 ( Ch 3: 3/51 ) CORRECT 0.023 Points Received: 5 of 5 5. Question: (TCO 4) A respiratory class has 33 women and 18 men. If a student is chosen randomly to be the team  leader, what is the probability the student is a woman? Your Answer: 0.33
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0.353 0.67 0.647 ( Ch 3: 33/51 = 0.647 ) CORRECT Points Received: 5 of 5 6. Question: (TCO 4) Compute the following: 3! ÷ (0! * 3!) Your Answer: 6 1 ( Chapter 4
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Week 5 quiz math221on statistics - Week 5 quiz math221on...

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