1. Which of the following is a discrete random variable? a. Number of times you catch a ball in a hockey game b. Speed of cars on the highway c. Length of time you play in a hockey game d. Times of runners in a race 2. Which of the following predictions can be calculated using a binomial distribution? a. Whether a baseball player will hit a home run during a five-game series b. The number of product samples that will be tested before a defective one is found c. Both of the above d. None of the above 3. What is the sum of probabilities in any probability distribution? a. 0 b. Infinite 2 4. The probability of tossing 4 threes when rolling a nine-sided die four times. Which distribution model best describes this situation? a. Uniform Distribution c. Binomial Distribution b. Hypergeometric Distribution d. None of the above 5. Which of the following is an example of a uniform distribution? a. Length of time you play in a baseball game b. A coin toss 8 times, probability you get heads c. A random number generator d. The number of votes in an election for a particular party 6. What is the expected number of women on a six-member jury randomly chosen from 10 women and 14 men? a. c. 2.5 b. 7.5 d. 2.667 7. Suppose that 4% of the first batch of engines off a new production line have flaws. An inspector randomly selects five engines for testing. What is the expected number of flawed engines in the sample? a. 0.2 2 b. 4 d. 5.76