Week 4 Practice Quiz_2

# Week 4 Practice Quiz_2 - Week 4 Discrete Data Probability...

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Week 4: Discrete Data Probability Distributions - Practice Quiz Help Script for displaying headers. Script to run spell checker. 1. State whether the variable is discrete or continuous. The # of keys on each student's key chain. (Points: 2) 2. State whether the variable is discrete or continuous. The number of games won by each Big Ten football team this year. (Points: 2) 3. State whether the variable is discrete or continuous. The number of cups of coffee sold in a cafeteria during lunch. (Points: 2) 4. Decide whether the experiment is a binomial experiment. Explain why by citing the properties of binomial experiments. Testing a pain reliever using 20 people to determine if it is effective. The random variable represents the number of people who find the pain reliever to be effective. (Points: 3) 5. Decide whether the experiment is a binomial experiment. Explain why by citing the properties of binomial experiments. Surveying 100 prisoners to see how many crimes for which they were convicted. The random variable represents the number of crimes for which each prisoner was convicted. (Points: 3)

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6. Use the binomial probability distribution to answer the following probability questions. According to government data, the probability that an adult under 35 was never married is 25%. In a random survey of 10 adults under 35, what is the probability that: Exactly 5 were never married? (Points: 3) 7. Use the binomial probability distribution to answer the following probability questions. According to government data, the probability that an adult under 35 was never married is 25%. In a random survey of 10 adults under 35, what is the probability that: No more than two were never married? (Points: 3) 8. Given the basic rules of Probability the P (A) can be equal to 1.10 or 110%. (Points: 3) True False 9. Given the basic rules of Probability, P(A) can be equal to negative .18 or - 18%. (Points: 3) True False 10. Use the binomial probability distribution to answer the following probability questions. According to government data, the probability that an adult under 35 was never married is 25%. In a random survey of 10 adults under 35, what is the probability that:
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Week 4 Practice Quiz_2 - Week 4 Discrete Data Probability...

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